Newton's 2nd Law & Circular Motion

Your car has a mass of 2000 kg and a force of 1000 N. How fast will it accelerate?

• 20 m/s²

• 2 m/s²

• 0.5 m/s²

• 120 N

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

Tags

NGSS.HS-PS2-1

What is the net force?

• 40 N left

• 400 N right

• 0 N Balanced

• 40 N right

Tags

NGSS.MS-PS2-2

The mass of a wagon is 40 kg. The wagon accelerates at 8 m/s² . What is the force?

• 320 Kg

• 320N

• 5N

• 5 Kg

A bowling ball rolled with a force of 15 N accelerates at a rate of 3 m/sec², what is the mass of the bowling ball

• 5 kg

• 45 kg

• 5 N

• 45 N

What is the acceleration of the 2 Kg block in the diagram?(hint: find Net Force first)

• 2 m/s²

• 4 m/s²

• 2 N

• 4 N

Identify the picture that shows the Rightward moving Mystery Machine speeding up.

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Identify the picture that shows the Rightward moving Mystery Machine cruising at a constant speed.

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Identify the picture that shows the Rightward moving Mystery Machine hitting the breaks.

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The diagram shows an object traveling at a constant speed in a circular path. Which labeled arrow represents the acceleration of the object?

• W

• Z

• X

• Y