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Powerpoint Jeopardy Forces of Motion LawsCalculatin’ FunNewton Challenge Hodgepodge 10 20 30 40 50

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Forces are described by their __________ & __________ Strength & direction

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Greatest velocity that a falling object can reach. Terminal Velocity

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This is a product of an object’s mass & velocity. Momentum

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This is the tendency of an object to resist a change in motion. Inertia

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This law says that gravity acts between all objects in the universe due to their mass. Law of Universal Gravitation

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This law states that an object at rest will stay at rest unless acted on by an outside force. Newton’s 1 st Law of Motion

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As mass increases; inertia _______________. Increases

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Force = mass x acceleration. Newton’s 2 nd Law

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What force causes a bouncy ball to rise back into the air after it has hit the ground? Reaction Force

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Which law says that for every action there is an equal an opposite reaction force. Newton’s 3 rd Law

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A speedboat pulls a 55-kg water- skier. The force causes the skier to accelerate at 2.0 m/s 2. Calculate the net force that causes this acceleration. 110 Newtons

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Find the momentum of a 6 kg bowling ball that is moving at 10 m/s down the alley toward the pins. 60 kg m/s

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A marble at rest is dropped from a tall building. The marble hits the ground with a velocity of 98m/s. How long was the marble in the air? 10 seconds

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Find the acceleration of a 7kg mass if a force of 63 N is used to move it toward earth. 9 m/s/s

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If Mr. Incredible has a mass of 15kg on earth. What would his mass and weight be on Mars. The acceleration due to gravity of mars is 3.8. Mass = 15 kg Weight = 57 N

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___________ is when the only force acting on an object is gravity. Free Fall

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If two erasers were released at the same time but one was dropped and the other was thrown, which would hit the ground first. The same time

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Kg x m/s is a unit of what? Momentum

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As mass increases; acceleration ________________. Decreases

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Objects at rest stay at rest will stay at rest unless __________ Acted on by an outside force

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Why don’t objects stay in motion forever? Friction

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Which will hit the ground first a 2 kg golf ball or a 10 kg bowling ball? They will hit at the same time

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Why do some objects on earth fall faster than others? Air Resistance

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A rock at rest falls off a tall cliff and hits the valley below after 3. 5s. What is the rock’s velocity as it hits the ground? 34.3 m/s

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Why don’t action reaction forces cancel out? They do not act on the same object

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