Forces and Motion Review

The term for when an object speeds up, slows down, or changes direction

• Speed
• Velocity
• Acceleration
• Newtons

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The net force of the following diagram is

• 70 N Left

• 90 N Left

• Balanced forces

• 160 N Left

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If forces acting on an object are balanced, then there _________ be a change in motion

• will
• will not

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The net force of the following diagram is

• 620N→
• To the right→
• 20N←
• balanced↔

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a change in position is defined as

• force
• motion
• speed
• acceleration

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When an object is acted on by unbalanced forces, the object will 

• continue in the same direction
• continue at the same speed
• accelerate in the direction of the unbalanced force
• will have no change in motion

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How can you tell an unbalanced force is acting on an object?

• The object is moving.

• The force will cause the object to move or stop moving.

• The object is at rest.

• The object will have gravity.

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The tendency of an object to resist a change in motion is called?

• Inertia

• Friction

• Gravity

• Acceleration

Calculate the net force and direction.

• 7

• 7N

• 7N to the left

• 7N to the right

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A boy pushes a box, his brother helps by pulling in the same direction. The box will...

• go the same speed

• increase in speed

• decrease in speed

• stop

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