Physics Fall 2022 Review

"If we apply a ___________ to an object, its __________________ will change and it will  ______________."

• force, accelerate, gravity
• accelerate, inertia, gravity
• force, velocity, accelerate
• velocity, gravity, inertia

• Not enough info to conclude

What is the velocity of this graph?

• 10m/s

• 5m/s

• 20m/s

• 1m/s

Name the missing force...

• normal force
• applied force
• frictional force
• tension force

Kinematic equation can only be used when you have a constant ....

• Position

• Velocity

• Acceleration

• Time

At what time interval is the object at rest?

• t=0 to t=2

• t=2 to t=3

• t=3 to t=6

• never

Kinetic friction is always ... than Static friction

• greater than

• less than

• equal to

• unrelated to

• Not enough info to conclude

A 2.0-N force acts horizontally on a 10-N block that is initially at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50.What is the magnitude of the frictional force that acts on the block?

• 5 N

• 8 N

• 2 N

• 0 N

A man pushes a box across the floor at a constant velocity. Which formula describes the vertical forces on the box?