Momentum Quiz

The impulse experienced by an object is equal to the object’s change in ____________________________________.

• velocity
• mass
• momentum
• time

Tags

NGSS.HS-PS2-2

A softball is pitched very fast while another softball of equal mass is pitched at half the velocity. Therefore it can be said that the fast moving softball will be harder to stop because it has _________________ momentum. 

• more
• less
• equal

Tags

NGSS.HS-PS2-2

What velocity must a 500 kg object have in order to have the same momentum as a 600 kg object traveling at a velocity of
10 m/s to the west?  ____________________________

• 12 m/s
• 10 m/s
• 8 m/s
• none of these

Tags

NGSS.HS-PS2-2

A heavy truck slowly moves up a hill at 3 m/s and then goes down the other side of the hill at 50 m/s. The momentum of the truck is ___________________________ down the hill than up the hill.

• greater
• smaller

Tags

NGSS.HS-PS2-2

The law of conservation of momentum states that the total momentum of all objects interacting with each other will  ________________________ no matter of the nature of the forces between the object.

• increase
• decrease
• remain constant
• fluctuate

Tags

NGSS.HS-PS2-2

The airbags in cars are designed to ______________________ the time interval for stopping the force applied to the body. This concept is also applied to bullet proof vests and the new football helmets.

• increase
• decrease

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS2-3

A group of students push with a force of 406.0 N on a car that has run out of gas. If the car’s mass is 3,205 kg and it starts at rest, what will the car’s velocity be after being pushed for 10 seconds?

• 1.26 m/s
• 4.89 m/s
• 7.89 m/s
• 13.6 m/s

Tags

NGSS.HS-PS2-1

A skateboarder obtained a speed of 25.56 m/s. If the magnitude of her momentum is 579 kg m/s, what is her mass?

• 22.65 kg
• 44.14 kg
• 226.5 kg
• none of these

Tags

NGSS.HS-PS2-2

An object with a mass of 75 kg and a momentum of 320 kg m/s must be traveling at what velocity?

• 0.23 m/s
• 4.26 m/s
• 7.89 m/s
• none of these

Tags

NGSS.HS-PS2-2

An object with a mass of 10,400 kg is traveling at 108 m/s east when it collides with another object with a mass of 2,700 kg traveling the other direction (west) with a velocity of 35 m/s. After the collision, the two objects stick together and move as one mass. Determine the velocity of combined objects after the collision and be sure to indicate direction.

• 93 m/s
• 78 m/s
• 117 m/s
• none of these