PS Review Newton's Law/energy

A 20 kg bike accelerates at 10 m/s2.  what was the force

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

What is the magnitude and direction of the force in the free body diagram shown?

• 20 N, no change in motion

• 20 N right

• 20 N left

• 0 N , no change in motion

The table shows the force applied and displacement when different boxes are being pushed. Which box shows the most work being done? 

• W
• X
• Y
• Z

____ is done when a force is applied over a distance.

• energy
• work
• force

The greatest amount of force is required to move the metal block up which inclined plane?

• A
• B
• C
• D

Which graph shows the object standing still?

• A
• B
• C
• D

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

What is the magnitude and direction of the force in the free body diagram shown?

• 35 N right

• 17 N right

• 11 N right

• 5 N right

The amount of work done in a certain amount of time is known as 

• work
• effort force
• resistance force 
• power

How much work is being done with 200 N of force over 426 meters?

• 85,200 J
• 45,620 J
• 90,480 J
• 62,329 J