Quiz #3 Law of Acceleration

A 50-kg crate is pushed with a horizontal acceleration of 20 m/s². What net force is acting on the crate?

• 2.5 N

• 0.4 N

• 1000 N

• 30 N

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NGSS.MS-PS2-2

A 20-N net force acts on an object with a mass of 2.0 kg. What is the object's acceleration?

• 10 m/s²

• 0.1 m/s²

• 40 m/s²

• 22 m/s²

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NGSS.MS-PS2-2

Unit of mass

• m/s 2
• m/s
• newtons
• kg

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

F = m x a

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

The equation for acceleration is

• A = ma

• A = f/m

• A=f/a

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NGSS.MS-PS2-2

Acceleration is measured as

• kg

• N

• m/s

• m/s^2

To increase the acceleration, you

• increase mass, decrease force

• increase mass, increase force

• decrease mass, increase force

• decrease mass, decrease force

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NGSS.MS-PS2-2

Which type of force(s) will cause a change in an objects motion?

• Balanced Forces

• Gravity

• Unbalanced Forces

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NGSS.MS-PS2-2

NGSS.MS-PS2-1

What is force?

• A push on an object

• A pull on an object

• A push or a pull on an object

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NGSS.MS-PS2-2

NGSS.MS-PS2-1

The larger the mass you have the __________ force you need to change its motion.

• more

• less

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NGSS.MS-PS2-2

NGSS.MS-PS2-1