A. Power B. Watt C. Machine D. Force A. Power B. Watt C. Machine D. Force.

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Presentation transcript:

A. Power B. Watt C. Machine D. Force

A. Power B. Watt C. Machine D. Force

A. Power B. Work Input C. Work Output D. Lever

A. Power B. Work Input C. Work Output D. Lever

A. Power B. Work input C. Work output D. Lever

A. Power B. Work input C. Work output D. Lever

A. Power B. Output force C. Mechanical efficiency D. Mechanical advantage

A. Power B. Output force C. Mechanical efficiency D. Mechanical advantage

a. Mechanical efficiency b. Force c. Mechanical advantage d. Power

a. Mechanical efficiency b. Force c. Mechanical advantage d. Power

A. Friction B. Input force C. Output force D. Power

A. Friction B. Input force C. Output force D. Power

A. A school crossing guard raises a stop sign that weighs 10 N. B. A student walks while wearing a backpack that weighs 15 N. C. A man exerts 350 N force on a rope attached to a house. D. A worker holds a box 1 m off the floor.

A. A school crossing guard raises a stop sign that weighs 10 N. B. A student walks while wearing a backpack that weighs 15 N. C. A man exerts 350 N force on a rope attached to a house. D. A worker holds a box 1 m off the floor.

A. The shape of the weights B. How high the barbell is being lifted C. The strength of the person doing the lifting D. The amount of output force

A. The shape of the weights B. How high the barbell is being lifted C. The strength of the person doing the lifting D. The amount of output force

A. The object is moved over a shorter distance. B. The ramp increases the amount of work you do. C. Less force is needed to move the object over a longer distance. D. More force is needed to move the object over a longer distance.

A. The object is moved over a shorter distance. B. The ramp increases the amount of work you do. C. Less force is needed to move the object over a longer distance. D. More force is needed to move the object over a longer distance.

A. Work input B. Work output C. Power D. Efficiency

A. Work input B. Work output C. Power D. Efficiency

A. Which is bigger B. Which has a larger input force C. Which has a larger output force D. Which makes work easier

A. Which is bigger B. Which has a larger input force C. Which has a larger output force D. Which makes work easier

A. It is used to get the machine started. B. It is used to overcome the friction created by the machine C. It is used to keep the machine running D. There isn’t enough power present

A. It is used to get the machine started. B. It is used to overcome the friction created by the machine C. It is used to keep the machine running D. There isn’t enough power present

A. Knife B. Plow C. Chisel D. Ramp

A. Knife B. Plow C. Chisel D. Ramp

A. A circular distance B. A rectangular distance C. An inclined plane D. A spiral

A. A circular distance B. A rectangular distance C. An inclined plane D. A spiral

A. 100 J B. 500 J C. 5 J D. 500 N

A. 100 J B. 500 J C. 5 J D. 500 N

A. First-class lever B. Block and tackle pulley C. Wheel and axel D. Screw

A. First-class lever B. Block and tackle pulley C. Wheel and axel D. Screw

A. The speed of a force B. The direction of a force C. The size of a force D. The timing of a force

A. The speed of a force B. The direction of a force C. The size of a force D. The timing of a force

A. It must increase B. It must decrease C. It must stay the same D. It must double

A. It must increase B. It must decrease C. It must stay the same D. It must double

A. Inclined plane B. Wheel and axle C. Lever D. Pulley

A. Inclined plane B. Wheel and axle C. Lever D. Pulley

A. Power B. Energy C. Work D. Joule

A. Power B. Energy C. Work D. Joule

A. Simple machine B. Lever C. Pulley D. Compound machine

A. Simple machine B. Lever C. Pulley D. Compound machine

A. Lever B. Pulley C. Wheel and axle D. Wedge

A. Lever B. Pulley C. Wheel and axle D. Wedge

A. Forced B. Work C. Moving D. Kinetic

A. Forced B. Work C. Moving D. Kinetic

A. The input force B. The output force C. The work D. The power

A. The input force B. The output force C. The work D. The power

 Pulley  Wheel and axle  Lever  Screw

 Pulley  Wheel and axle  Lever  Screw

A. Wheel and axle B. Pulley C. Lever D. Inclined plane

A. Wheel and axle B. Pulley C. Lever D. Inclined plane

A. Mechanical efficiency B. Mechanical advantage C. Work D. Power

A. Mechanical efficiency B. Mechanical advantage C. Work D. Power

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