Skills Practice --- velocity momentum

How do you find the velocity of a moving object?

• Add the distance plus the time

• Time the object's motion then write it down

• Multiply the distance and the time

• Divide the time into the distance

• Divide the distance into the time

What are the units for velocity?

• kg

• m/s

• m/s²

• kg m/s

• N

Tags

NGSS.MS-PS3-1

How do you calculate momentum of a moving object?

• p = m v

• v = d/t

• M = v + d

• M = d/t

Tags

NGSS.HS-PS2-2

Which equation would you use to solve a physics problem involving the two skaters in the picture?

• 
• 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

What does acceleration measure?

• The change in momentum

• The change in time

• The change in velocity

• The change in distance

What are the units for acceleration?

• m/s²

• m/s

• kg

• N

• kg m/s

Which type of force is always opposite the direction of the motion (unless a force is being applied to slow the object down)?

• gravity

• normal force

• friction

• weight

• acceleration

What is the acceleration of a projectile due to gravity?

• constant speed

• -9.8 m/s

• -9.8 m/s²

• the same value as the velocity

Tags

NGSS.MS-PS2-4

In the diagram, which letter represents the vertical displacement ?

• A

• B

• C

• D

In the diagram, which letter represents the horizontal displacement ?

• A

• B

• C

• D