WPE LT-2 Notes

WPE LT1-2 Notes

LT1: Define work.

LT2: Calculate the work done on an object.

Multiple Choice

Daily Review: What is the correct unit for mass?

• kg

• N

• m

Multiple Choice

Daily Review: What is the correct unit for weight?

• kg

• N

• m

Multiple Choice

Daily Review: What is the correct unit for distance?

• kg

• N

• m

Multiple Choice

If you push on the wall, but it does not move, is work being done?

 $W=Fd$  

• Yes

• No

Multiple Choice

If you lift a barbell from the ground to over your head, is work being done?

 $W=Fd$  

• Yes

• No

Multiple Choice

If you hold a barbell over your head, is work being done?

 $W=Fd$  

• Yes

• No

Open Ended

Calculate the amount of work done on an object that is lifted 2m with a force of 100N.

 $W=Fd$  

Open Ended

Solve for distance.
W=100J
F=5N
d?

 $W=Fd$  

Open Ended

Solve for force.
W=120J
F=?
d=6m

 $W=Fd$