Force and Motion Quiz

What happens to the speed of an object when an unbalanced force is applied in the direction of its motion?

• The speed decreases.

• The speed increases.

• The speed remains the same.

• The object changes shape.

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DOK Level 2: Skill/Concept

If you push a toy car gently and then push it with more force, what difference will you observe in the motion of the car?

• The car moves slower when pushed with more force.

• The car moves at the same speed regardless of how much force is applied.

• The car moves faster when pushed with more force.

• The car does not move at all.

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DOK Level 2: Skill/Concept

What is required to change the velocity of an object?

• A balanced force

• An unbalanced force

• No force

• Constant force

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DOK Level 2: Skill/Concept

Which of the following scenarios demonstrates the effect of friction?

• A ball rolling faster on a smooth floor.

• A book sliding and eventually stopping on a table.

• A kite flying high in the sky.

• A balloon floating upwards.

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DOK Level 2: Skill/Concept

What would likely happen if gravity on Earth suddenly became twice as strong?

• Objects would float.

• Objects would fall slower.

• Objects would fall faster.

• There would be no change.

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DOK Level 2: Skill/Concept

How does increasing the mass of an object affect its acceleration if the same amount of force is applied?

• Acceleration increases.

• Acceleration decreases.

• Acceleration remains the same.

• The object becomes lighter.

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DOK Level 2: Skill/Concept

What is inertia?

• The tendency of an object to increase its speed.

• The tendency of an object to resist changes in its state of motion.

• The ability of an object to float in water.

• The force applied by an object in motion.

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DOK Level 2: Skill/Concept

When you observe a skateboard slowing down gradually, what is the most likely cause?

• The skateboarder is pedaling faster.

• There is an increase in gravitational pull.

• Friction between the skateboard and the ground.

• The skateboard is gaining mass.

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DOK Level 2: Skill/Concept

What does Newton's third law of motion state?

• For every action, there is an equal and opposite reaction.

• Force equals mass times acceleration.

• Objects in motion stay in motion unless acted upon by an external force.

• Energy cannot be created or destroyed.

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DOK Level 2: Skill/Concept

If two objects, one heavy and one light, are pushed with the same force, which one will have a higher acceleration?

• The heavier object

• The lighter object

• Both will have the same acceleration

• It depends on the material of the objects

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DOK Level 2: Skill/Concept