Physical Science Exam 3 Review Quiz

If Gabriel applies half the net force on the car, the car’s acceleration ________.

• Halves

• Doubles

• Stays the same

• Reduces to zero

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NGSS.HS-PS2-1

Find the mass. Given: w = 8.5 N

• 0.87

• 1.2

• 0.65

• 85

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NGSS.HS-PS2-1

A 3,000-kilogram truck moves in a straight line at 15 m/s. What is its momentum?

• 45,000 kg⋅m/s

• 200 kg⋅m/s

• 4,500 kg⋅m/s

• 30,000 kg⋅m/s

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NGSS.HS-PS2-2

Natasha is an Olympic ice skater; she has a mass of 20000 dg.  She produces a force of 82 Newtons between the ice and her skates.  How fast does she accelerate?

• 41 m/s²

• .0041 m/s²

• 60 m/s²

• 244 m/s²

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NGSS.HS-PS2-1

Calculate the force between two objects that have masses of 70. kilograms and 2,000. kilograms. Their

centers of gravity are separated by a distance of 1.00 meter.

• 9.338x10^-6 N

• 9338000 N

• 9.338x10^-11 N

• .9338 N

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NGSS.HS-PS2-1

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