1.3 Newton's 2nd Law

What is the value of gravitational acceleration

• 9.8 meters per second
• 9.8 meters per second squared
• 9.8 meters
• 9.8 seconds

As the force applied on an object increases, the

• acceleration increases.
• acceleration decreases.
• mass increases.
• mass decreases.

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NGSS.MS-PS2-2

As the mass of an object decreases, the

• force increases.
• force decreases.
• acceleration increases.
• acceleration decreases.

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NGSS.MS-PS2-2

How much force is needed to accelerate a 4 kg bowling ball at 9 meters per second squared?

• 36 N
• 0.44 N
• 2.25 N
• 3.6 N

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NGSS.MS-PS2-2

What is the acceleration of a 7 kg child as they're pushed on a swing with a force of 500 N?

• 0.014 meters per second squared
• 71.43 meters per second squared
• 3,500 meters per second squared
• 3.500 meters per second squared

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NGSS.MS-PS2-2

If you're pushing a crate with a force of 300 N, but it isn’t moving. What is the force of friction?

• Less than 300 N
• More than 300 N
• 300 N
• Not enough information.

If you're pushing a crate with a force of 100 N and it is moving at a constant speed. What is the force of friction?

• Less than 100 N
• More than 100 N
• 100 N
• Not enough information.

What is the fundamental unit for mass?

• Newton's
• seconds
• kilograms
• meters per second squared

The equation F=ma is a formula for which of Newton's Laws?

• Newton's First Law
• Newton's Second Law
• Newton's Third Law
• Newton's Fourth Law

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A force of 600 N is applied to an object that accelerates at a rate of 11 meters per second squared. What is the mass of the object?

• 54.54 kg
• 54.55 kg
• 0.01 kg
• 0.02 kg

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NGSS.MS-PS2-2