12/16 Review

Samar applies a force of 225 N to move a laptop 0.65 meters across the tabletop to her lab partner, Joan. What was the work done on the laptop by Samar?

• 150.29 J
• 170.65 J
• 146.25 J
• 208 J

____ is the rate of which work is done, or ______ is transferred.

• Power ---- Energy
• Work ---- Force
• Sunlight ---- Power

What is the unit of measurement of power?

• power
• watt
• joule
• hat

What force is required to move a crate by doing 7,500 J of work over 12 meters?

• 625 N
• 700 N
• 640 N
• 725 N

A crane lifts an 850 kg shipping container 11.8 m straight up from the dock onto the main deck of a container ship in 1.5 minutes. What work was done by the crane? Find force 1st (F=mg) Then find work (W=Fd)

• 98,400 J
• 99,405 J
• 97,295 J
• 98,294 J

_______ is a force acting upon an object to cause a _______ of that object.

• Work ----- energy
• Force ----- Power
• Work ---- Displacement
• Energy ---- Displacement

work is a measurement of how much force is applied over a certain

• distance
• velocity
• shape
• size

work= forcex___

• volume

• displacement

• distance

• none

Arjun is holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes. How much work is done by Arjun?

• 15 J

• 45 J

• 0 J

• 5 J

A kid applies a force of 70. N to a ball over 1.1 meters. How much work did he do on the ball?

• 77 J

• 7.7 J

• 0.70 J

• 770 J