Newton's Second Law Quick Check

What force is needed to help stop a child from slipping on ice?

• gravity

• friction

• magnetic

• inertia

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A push or a pull on an object is an example of

• force

• weight

• energy

• work

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How does motor oil help to keep a car’s engine from getting too hot?

• by decreasing friction

• by increasing friction

• by increasing mass

• by decreasing gravity

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A student is investigating the effect of force on several objects. If each ball is rolled with the same amount of force on the same surface, which ball will roll the farthest?

• golf ball

• tennis ball

• soccer ball

• basketball

Tags

NGSS.MS-PS2-2

The following trucks are pushed with the same amount of force. Which truck will roll the farthest?

• the 10g truck

• the 20g truck

• the 30g truck

• the 40g truck

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Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?

• ball with a mass of 5 kg

• ball with a mass of 10 kg

• ball with a mass of 15 kg

• ball with a mass of 20 kg

Tags

NGSS.MS-PS2-2

Wind is acting on the sails of a boat as shown in the illustration below. The force of the wind is greater than the force of the water. Which will most likely happen to the boat if the wind increases?

• the boat will speed up

• the boat will slow down

• the boat will stop moving

• the boat will move at the same speed

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NGSS.MS-PS2-2

How does the mass of an object affect acceleration?

• The greater the mass of an object, the smaller the force needed to accelerate the object.

• The greater the mass of an object, the greater the force needed to accelerate the object.

• The mass of an object has no impact on the amount of force needed to accelerate it.

• It is impossible to predict the impact of mass on the acceleration of an object.

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NGSS.MS-PS2-2

Which will require the most force to move?

• a 1-kg ball

• a 10-kg ball

• a 100-kg ball

• a 1000-kg ball

Tags

NGSS.MS-PS2-2

A ball was rolling fast and then slowed. Which most likely caused the ball to slow?

• friction

• wind

• heat

• momentum

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