Forces and Motion Review

Which of the following is a force that causes objects to move?

• Friction

• Gravity

• Light

• Sound

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What happens to an object when a greater force is applied to it?

• It moves slower

• It changes direction

• It experiences a greater change in motion

• It stops moving

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If two objects are pushed with the same force, which object will move less?

• The object with more mass

• The object with less mass

• Both will move the same

• The object with a smoother surface

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Why does an object not move when a force is applied to it?

• Because the object is too heavy

• Because there is an opposing force balancing it

• Because the force is too weak

• Because the object is stuck

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Describe how gravity affects a falling object.

• It slows it down

• It pulls it towards the ground

• It pushes it upwards

• It makes it float

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Explain what happens to the motion of an object when more force is applied.

• The object moves in the opposite direction

• The object moves faster or changes direction more quickly

• The object stops moving

• The object moves slower

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How does mass affect the motion of an object when a force is applied?

• More mass means more motion

• More mass means less effect on motion

• Mass does not affect motion

• Less mass means less effect on motion

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Investigate why a book on a table does not move when pushed lightly.

• The table is too smooth

• The book is too heavy

• Friction between the book and table balances the force

• The book is glued to the table

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A ball is thrown upwards. Explain the forces acting on it as it rises and falls.

• Only gravity acts on it

• Gravity and air resistance act on it

• Only air resistance acts on it

• No forces act on it

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FL.SC.5.P.13.1

Plan an experiment to show how increasing force affects the speed of a toy car.

• Use a ramp and measure the time it takes for the car to reach the bottom

• Push the car with different strengths and measure the distance traveled

• Drop the car from different heights

• Spin the car in circles

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