In the formula p = mv, what does p stand for?

• inertia

• gravity

• momentum

• projectile

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

It is a physical quantity which can be described as mass in motion

Tags

NGSS.HS-PS2-2

Inertia describes how much motion an object has, while momentum describes an object's resistance to change in motion.

• TRUE

• FALSE

Tags

NGSS.HS-PS2-1

Which of the following is correctly paired?

• momentum : vector :: impulse : vector

• momentum : scalar :: impulse : vector

• momentum : scalar :: impulse : scalar

• momentum : vector :: impulse : scalar

Tags

NGSS.HS-PS2-2

It is also known as the change in momentum

Tags

NGSS.HS-PS2-2

Which of the following is the unit SI unit of momentum, p=mv?

• N

• kg · m

• kg · m/s

• kg · m/s²

Tags

NGSS.HS-PS2-2

Which of the following is the SI unit of impulse?

• Newton second

• Newton meter

• Joule

• Meters per second

It is equal to the net force on the object times the time period over which this force is applied.

• Momentum

• Work

• Impulse

• Inertia

Tags

NGSS.HS-PS2-2

What is the momentum of a 25-kg car starting from rest?

• 0 kg · m/s

• 25 kg · m/s

• 0 kg · m/s²

• 25 kg · m/s²

Tags

NGSS.HS-PS2-1

Which of the following has a greater momentum:

Car A which is 50-kg and moves at 15 m/s, or

Car B which is 40-kg and moves at 25 m/s?

• Car A

• Car B

Tags

NGSS.HS-PS2-2