Practical Physics Impulse and Momentum

A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.

• 1 N.s

• 6 N.s

• 66 N.s 

• None of these

Tags

NGSS.HS-PS2-1

A car crashes into a wall with an impulse of 40,000 kg.m/s. The collision took 2 seconds . How much force did the wall exert?

• 60,000 N

• 40,000 N

• 20,000 N

• 80,000 N

Tags

NGSS.HS-PS2-1

A baseball bat applies a force of 500 N to a ball for 0.1s. What was the impulse on the ball?

• 5 N . s

• 500 N .s

• 500 N/s

• 50 N.s

It is the change in velocity or mass of an object.

• Momentum

• Impulse

• Force

• Mass

Tags

NGSS.HS-PS2-1

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It is simply means mass in motion.

• Impulse

• Momentum

• Force

• Mass

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

What is the unit for momentum?

• s

• kg •m/s

• N or kg • m/s²

• N • s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

What are the two factors that affect the momentum?

• time and energy

• time and force

• mass and velocity

• mass and energy

Tags

NGSS.HS-PS2-2

What is the formula for impulse?

• I=pt

• I=ft

• I=mxv

• I=vt

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

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has more momentum, a heavy truck moving at 30 km/h or a light truck moving at 30 km/h?

• Heavy truck

• Light truck

• both has the same momentum

• cannot be determined.

Tags

NGSS.HS-PS2-2

The impulse experienced by a body is equal to the change in its

• velocity

• kinetic energy

• momentum

• potential energy

Tags

NGSS.HS-PS2-2