Chapter 9 Test: Motion & Machines

The ability to do work (or cause change) is called:

• Work

• Sports

• Force

• Energy

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Energy stored for later; the energy of position.

• Kinetic

• Potential

• Electricity

• Watt

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This is energy of motion; the faster the object moves, the more energy it has.

• Kinetic

• Potential

• Electricity

• Watt

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A change in an object's position is called:

• Motion

• Friction

• Electricity

• Watt

Which is not a unit of time?

• Second

• Hour

• Miles per hour

• Minute

Any push or pull on an object.

• Friction

• Warp

• Ring

• Force

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The force that makes objects keep their motion (involves mass and velocity).

• Size

• Weight

• Speed

• Momentum

Which would be harder to stop when driving at 65 mph?

• Semi Truck

• Small Car

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The scientist who watched an apple fall & came up with the 3 Laws of motion (the Knight of Cookies):

• A. Einstein

• C. Linnaeus

• Galileo G.

• I. Newton

Resistance to a change in motion is called (think of Newton’s 1st law):

• Motion

• Resistance

• Inertia

• None of these