Impulse-Momentum Quiz

A dog runs at 7 m/s. If it has a mass of 10 kg, what momentum does it carry?

• 70 kg m/s

• 1.4 kg m/s

• 0.7 kg m/s

• 98 kg m/s

Tags

NGSS.HS-PS2-2

Amy Rose has a mass of 30 kg. If she was traveling at 50 m/s and slowed down to a stop, what change in momentum did she experience?

• 1500 kg m/s

• • -1500 kg m/s

• 1.7 kg m/s

• -1.7 kg m/s

Tags

NGSS.HS-PS2-2

A change in ​ (a)   is equal to an ​ (b)   .

• momentum
• impulse
• force
• velocity

Tags

NGSS.HS-PS2-2

Match the following term with the best definition or use.

• FΔt = m Δv

• momentum

• The force during a collision.

• Δp

• m⋅Δv

• Impact Force

• The inertia of motion.

• Impulse-Momentum Theorem

• t_imp

• The time through which an impact occurs.

Tags

NGSS.HS-PS2-2

What impulse is exerted by a 10,000 N rocket that launches across 1.2 seconds?

• 8,300 N s

• 12,000 N s

• 1,019 N s

• None of these.

What force is exerted on a crash test dummy if it experiences a change in velocity of -40 m/s over a time of 2 seconds. The dummy has a mass of 80 kg.

• 6,400 N

• 1,600 N

• • -1,600 N

• -6,400 N

Tags

NGSS.HS-PS2-1

An ​ (a)   can be defined as the impact ​ (b)   felt across an impact ​ (c)   .

• impulse
• force
• time
• mass
• velocity

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

What impact force is felt by a meteor of 100 kg if it slams into the ground in 0.5 seconds. It was traveling at 1,000 m/s before the crash.

• 100,000 N

• -200,000 N

• 20 N

• None of these

Tags

NGSS.HS-PS2-1

Which factor is not involved in calculating the impulse of an object?

• Impact Force

• Mass

• Impact Time

• Two or more of these.

What is one way in which an impact force can be reduced?

• Increasing the change in velocity.

• Increase the mass.

• Decrease the impact time.

• Increase the impact time.

Tags

NGSS.HS-PS2-3