Forces and Motion

If two toy trucks are pushed with the same force, Which one will move the longest distance?

• The one with more mass

• The one with less mass

• The mass will make no difference

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What happens in a game of tug-a-war when both teams pull the rope with equal force and in opposite directions?

• The rope does not move

• Both teams move to the right

• Both teams move to the left

• Both teams fall down

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What force attracts some metals and it is a noncontact force?

• Push

• Pull

• Magnetism

• Friction

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To drag a sofa over carpet, movers sometimes use slippery pads. Which force is reduced with the use of the pads?

• Friction

• Gravity

• Push

• Magnetism

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A baseball pitcher throws a baseball. It does not reach the catcher. What should the pitcher do to make a ball reach the catcher?

• Increase the force used when throwing the ball

• Decrease the force used when throwing the ball

• Reduce the gravity exerted on the ball

• Increase the gravity exerted on the ball

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What should you do to make a toy car roll faster down a ramp?

• Push it with more force

• Push it with less force

• Remove the force of gravity

• Use magnetism to push it down

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Amber visits a theme park that has a roller coaster that travels upside down.
Which of the following is the best explanation for why the roller coaster car stays in contact with the track when it travels upside down?

• The track and car are held together by a series of strong magnets.
• The car has large amounts of thermal energy that binds it to the track.
• The car has chemical energy that resists the effect of gravity when it is upside down.
• The car has mechanical energy and is fast enough that gravity cannot pull the car down.

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Miguel is rolling a ball down a hill. This is an example of which form of energy?

• chemical energy
• electrical energy
• mechanical energy
• thermal energy

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A change in position is called . . .

• position

• frame of reference

• reference point

• motion

A push or pull on matter from all directions is called . . .

• speed

• velocity

• acceleration

• force

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