Force

An unbalanced force to the left will cause an object to move, or accelerate, in which direction?

• right

• up

• left

• down

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A pull is an example of

• gravity

• force

• inertia

• friction

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Contact force can be used to hit a baseball with a bat.

• True

• False

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When you throw a ball, what causes it to fall to the ground?

• inertia

• magnetism

• gravity

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Which force is most responsible for slowing a car down when the brakes are applied?

• gravity

• inertia

• friction

• magnetism

What is the tendency of objects at rest?

How is weightlessness achieved by NASA's KC-135 plane?

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What did Isaac Newton contribute to the understanding of gravity?

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A book sitting on a table is

• a balanced force

• an unbalanced force

• inertia