What is the correct unit for work?
What is the correct unit for force?
What is the correct unit for distance?
What is the correct unit for power?
A student carries her backpack up two flights of stairs to class. Is the student doing work?
A student picks her backpack up 2 meters off the ground and places it on her shoulders. Is the student doing work?
A crane applies a force of 87,250 N to lift a boulder a distance of 25.0 meters. How much work did the crane do?
You lift a 50-newton bag of mulch and do 125 joules of work. How far did you lift the bag of mulch?
A bulldozer does 56,750 J of work over 18 minutes. How much power does the bulldozer have? Hint: Convert minutes to seconds
If a small machine uses a force of 785 N on an object to move it a distance of 100 meters in 20 seconds. What is the power of the machine doing the work?