Simple Machines

The ability to make an object move is called ____________.

• Work

• Power

• Energy

• Newton

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Work is measured in units called ______________.

• Newtons

• Meters

• Joules

• Seconds

If you push a box 10 meters using a force of 15 newtons, how much work is being done?

• 25 N

• 10 N

• 5 Joules

• 150 Joules

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Which of the following is an example of work being done?

• A book sitting on a desk

• A dog lying in the grass

• A boy kicking a ball

• A cart at the top of hill

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Which of the following is the formula used to calculate work?

• Work = Force divided by Mass

• Work= Force times Distance

• Work = Distance divided by Time

• Work = Mass times Acceleration

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What is the only simple machine that does not move?

• Wedge

• Screw

• Inclined Plane

• Wheel and Axle

A flag raiser and window blinds are both examples of what simple machine?

• Wedge

• Inclined Plane

• Lever

• Pulley

A see saw and a bottle opener are both examples of what simple machine?

• Wheel and Axle

• Lever

• Pulley

• Wedge

A simple machine makes work easier by reducing the _______ applied on an object.

• Energy

• Friction

• Inertia

• Force

A ramp is an example of what type of simple machine?

• Inclined Plane

• Wheel and Axle

• Screw

• Pulley