Newton's 2nd law Review

What is Newton's 2nd Law?

• Every action has an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion.

• F = ma

• Friction

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NGSS.MS-PS2-2

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

• 20 m/s²

• 0.5 m/s²

• 2 m/s²

• 120 N

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NGSS.MS-PS2-2

A 25 kg bike accelerates at 10 m/s². What was the force?

• 250 N

• 2.5 N

• 25 N

• 15 N

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NGSS.MS-PS2-2

What unit do we measure force in?

• Kilometer/hr

• Joules

• Seconds

• Newtons

What is force?

• A push on an object

• A pull on an object

• A push or pull on an object

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NGSS.MS-PS2-2

If an object was accelerating at 5 m/s², and a force of 10 newtons was required to accelerate it, what was the object's mass?

• 50 kg

• 2 kg

• 0.5 kg

• 5 kg

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NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec².  What is the mass of the object?

• 100kg 
• 1,250kg
• 50kg
• 5kg

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NGSS.MS-PS2-2

If you increase the mass on an object, its acceleration

• decreases
• stays the same
• also increases
• stops

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NGSS.MS-PS2-2

An 10 kg object is moving with an acceleration of 2 m/s squared. What is the force of the object? (F=ma)

• 20 N

• 10 N

• 2 N

• 5 N

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NGSS.MS-PS2-2

A 5 kg object is moving with an acceleration of 2 m/s squared. What is the force of the object? (F=ma)

• 20 N

• 10 N

• 2 N

• 5 N

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NGSS.MS-PS2-2