Practice Test Newton's Laws

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.

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NGSS.MS-PS2-1

A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...

• The grip of the player's hands on the ball
• the air resistance of the ball
• the force of the ball against the bat

Tags

NGSS.MS-PS2-1

What is the net force in this diagram?

• 8N right

• 2 N right

• 8N left

• 2N left

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

• 20 m/s²

• 2 m/s²

• 0.5 m/s²

• 120 N

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NGSS.MS-PS2-2

What happens when unbalanced forces act on an object at rest?

• the object remains at rest

• the object begins moving in an unpredictable direction

• the object begins moving in the direction of the net force

• the object begins moving opposite to the direction of net force

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NGSS.MS-PS2-2

A 20 kg bike accelerates at 10 m/s2. What was the force?

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

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NGSS.MS-PS2-2

What is the net force?

• 40 N left

• 400 N right

• 0 N Balanced

• 40 N right

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NGSS.MS-PS2-2

What Unit do we Measure Force in?

• Newtons

• Joules

• Kilogram

• Work

Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?

• 1200 m/s/s

• 0.33 m/s/s

• 20 m/s/s

• 3 m/s/s

Tags

NGSS.MS-PS2-2

What is force?

• A push exerted on an object

• A push or pull exerted on an object

• A pull exerted on an object

• Nothing

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1