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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Click Once to Begin JEOPARDY! Physics Unit 3 Review

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD JEOPARDY! 100 200 300 400 500 Labs / Demos Net Force Third Law OtherEmpty

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Daily Double Graphic and Sound Effect! DO NOT DELETE THIS SLIDE! Deleting it may cause the game links to work improperly. This slide is hidden during the game, and WILL not appear. In slide view mode, copy the above (red) graphic (click once to select; right click the border and choose “copy”). Locate the answer slide which you want to be the daily double Right-click and choose “paste”. If necessary, reposition the graphic so that it does not cover the answer text. Daily Double!!!

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Explain why the marker falls into the hoop during the hoop & marker demonstration

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Inertia. The marker wants to maintain its constant velocity of zero. When the force is applied to the hoop, the marker stays at rest, but then falls because of Earth’s gravity.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD In the Boom Lab, the x- component of the tension in the string was equal in magnitude and opposite in direction of which force?

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Spring force

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD If the weight of both hanging masses is 5 N, why does the spring scale read 5 N?

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Newton’s third law distributes the weight of the masses throughout the string so that the tension is 5 N through the whole system. However, the spring scale only reads the force to one direction. Even though the net force acting on the spring scale is 0N, the scale reads 5N. The second mass is holding the first mass up.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Explain how you calculated the weight of the truck in the Parking on a Hill Lab.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Calculate the angle of the incline. Calculate the parallel component of the weight of the truck, knowing that the weight of the washers equals the parallel component of the weight of the truck. Use the sine function to calculate the weight of the truck.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Why did the water move to the back of the bottle during a forward acceleration (start)? Why did the balloon move to the front of the car during a forward acceleration (start)?

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD The liquid moves to the back of the bottle because of inertia—it wants to stay at rest. The balloon moves to the front of the car because it is less dense than air, and the air in the car ALSO wants to stay at rest, and will move toward the back of the car as the car accelerates, pushing the balloon forward.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Which of Newton’s Laws tells us about Net Force?

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD 2 nd Law

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD If an object is moving forward at a constant velocity, what is its net force?

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Zero

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Timmy is pushing a chair to the right with a force of 40N and Sally is pulling the chair to the left. If the net force is zero, what amount of force is Sally pulling with? Daily Double!!!

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD 40 N

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD If an object is sliding down an incline plane at a constant velocity, the friction force is equal in magnitude but opposite in direction of:

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD The parallel component of the weight

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Why does a scale reading display a person’s weight to be decreasing as the angle of an incline increases?

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD A scale is actually reading the normal force, which is equal in magnitude to the perpendicular component of the weight, which decreases as the angle of the incline increases.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Action and Reaction forces act on _______________ object(s).

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Different

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD What is the paired force? Push force forward on a bicycle by Sally

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Push force backward on Sally by bicycle

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD What is the paired force? Push force downward on ground by couch

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Normal force Push force upward on couch by ground

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Space is a vacuum—there is no atmosphere. How was Wall-E able to use a fire extinguisher to propel himself forward if the escaping foam didn’t have any air to push against?

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Action: push force backward on foam by fire extinguisher Reaction: push force forward on fire extinguisher (Wall-E) by foam

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD What is the paired force? Weight

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Pull force upward on Earth by object

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Define inertia and identify what it depends on.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD An object’s resistance to a change in velocity. Object’s with greater mass have greater inertia.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Define Newton’s 1 st Law and give an everyday example of it in action.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD An object will maintain a constant velocity unless acted upon by an outside force. Toilet paper, shoveling, washing hands, seat belts…

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Define Newton’s 3 rd Law and give an example of it in action.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD For every action force there is an equal and opposite reaction force. Forces come in pairs. Boat moves backwards when you jump off. Balloon flying forward as air escapes.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD An object traveling forward with a constant velocity of 35 m/s is experiencing a net force _____________.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Of Zero N

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Explain the difference between balanced and unbalanced forces. Give an example or draw a diagram for each.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Objects with balanced forces experience a net force of zero and therefore have an acceleration of zero (or a constant velocity). Objects with unbalanced forces experience a nonzero net force and therefore experience and acceleration.

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 5-100

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 5-200

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 5-300

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 5-400

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 5-500

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 6-100

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 6-200

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 6-300

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 6-400

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Question 6-500

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Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD Answer

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