Newton's 2nd Law

An evil ewok threw a rock with a force of 24.6N and an acceleration of 6m/s² at an innocent stormtrooper. What was the rocks mass?

• 4Kg

• 41kg

• 4.1kg

• 46kg

Tags

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

• 2 m/s²

• 0.5 m/s²

• 120 N

Tags

NGSS.MS-PS2-2

True or False. 20,000 N= 20,000 kg ⋅ m/s²

• True

• False

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NGSS.MS-PS2-2

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

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

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NGSS.MS-PS2-2

Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?

• 1200 m/s/s

• 0.33 m/s/s

• 20 m/s/s

• 3 m/s/s

Tags

NGSS.MS-PS2-2

What is force?

• A push exerted on an object

• A push or pull exerted on an object

• A pull exerted on an object

• Nothing

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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

• 38.25 Kg

• 320N

• 5N

• 3.825Kg

Tags

NGSS.MS-PS2-2

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

• 1kg

• 10kg

• 5kg

• 2kg

Tags

NGSS.MS-PS2-2

What is Newton's 2nd Law?

• F=ma

• Every action has an equal and opposite reaction

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

• Friction

Tags

NGSS.MS-PS2-2

What Unit do we measure Force in? 

• Newtons
• Joules
• Force
• Don't know

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NGSS.HS-PS2-1