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Forces and motion

Authored by Shazma Noushin

Science

9th Grade

NGSS covered

Forces and motion
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17 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

A car accelerates uniformly from rest at a rate of 3.2 m/s². What is its velocity after 6.5 seconds?

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NGSS.HS-PS2-1

2.

OPEN ENDED QUESTION

3 mins • 1 pt

A car accelerates uniformly from rest at a rate of 3.2 m/s². How far has the car traveled in this time?

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NGSS.HS-PS2-1

3.

OPEN ENDED QUESTION

3 mins • 1 pt

A box with a mass of 15 kg is pushed across a horizontal surface with a force of 55 N. If the coefficient of friction between the box and the surface is 0.25, find the frictional force acting on the box.

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NGSS.HS-PS2-1

4.

OPEN ENDED QUESTION

3 mins • 1 pt

A box with a mass of 15 kg is pushed across a horizontal surface with a force of 55 N. If the coefficient of friction between the box and the surface is 0.25, find the net force on the box.

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NGSS.HS-PS2-1

5.

OPEN ENDED QUESTION

3 mins • 1 pt

A box with a mass of 15 kg is pushed across a horizontal surface with a force of 55 N. If the coefficient of friction between the box and the surface is 0.25, find the acceleration of the box.

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NGSS.HS-PS2-1

6.

OPEN ENDED QUESTION

3 mins • 1 pt

A ball of mass 2.5 kg is dropped from a height of 12 m. Assume no air resistance. What is the velocity of the ball just before it hits the ground?

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

7.

OPEN ENDED QUESTION

3 mins • 1 pt

A ball of mass 2.5 kg is dropped from a height of 12 m. Assume no air resistance. If it rebounds to a height of 8 m, what is the energy lost during the collision?

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NGSS.HS-PS3-1

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