Chapter 2.3 Newton's 2nd Law

What is the force of a baseball that has a mass of 142 kg and an acceleration of 30 m/s^2?

• 0 m/s²
• 236 m/s²
• 4260 m/s²
• 4.7 m/2²

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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
• 2 m/s²
• 0.5 m/s²
• 120 N 

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NGSS.MS-PS2-2

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

• True
• Fasle

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NGSS.MS-PS2-2

Bronco is a skydiver.  His mass is 100 kg. What is his weight in Newtons?

• 1N
• 10N
• 100 N
• 1000N

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NGSS.MS-PS2-4

What will Bronco's acceleration be as he jumps from an airplane and is in free fall with air resistance of 400N?

• 10 m/s
• 0 m/s²
• 6 m/s²
• - 6 m/s²

Tags

NGSS.MS-PS2-2

Bronco's air resistance is now 1200 N.  What is his acceleration?

• 10 m/s²
• 2 m/s ²
• -2 m/s²
• 0 m/s²

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NGSS.HS-PS2-1

True or False.  Acceleration of an object is directly proportional to the net force acting on it? 

• True
• False

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NGSS.MS-PS2-2

True or False.  An increase in mass will result in an increase in the acceleration?

• True
• False

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NGSS.MS-PS2-2

The acceleration produced by a net force on an object is

• directly proportional to the magnitude of the net force
• in the same direction as the net force
• inversely proportional to the mass of the object
• all of the above

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NGSS.MS-PS2-2

The force of a cart doubles.  What happens to the cart's acceleration?

• It doubles
• It quadruples 
• It halves
• It quarters

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NGSS.MS-PS2-2