Asked by Liz
I am supposed to fill in the blanks without a word bank.
1. I you push a crate with 40 N of force at an angle of 30 degrees and your friend pushes with a force of 40 N horizontally, the amount of work you are doing is _____ the amount of work your friend is doing on the crate
my answer: equal to
2. Kinetic friction does ____ work on moving objects
my answer: negative
3. as you carry books across the room, the work done by gravity on the books is ____
my answer: 9.8 N/kg
1. I you push a crate with 40 N of force at an angle of 30 degrees and your friend pushes with a force of 40 N horizontally, the amount of work you are doing is _____ the amount of work your friend is doing on the crate
my answer: equal to
2. Kinetic friction does ____ work on moving objects
my answer: negative
3. as you carry books across the room, the work done by gravity on the books is ____
my answer: 9.8 N/kg
Answers
Answered by
Henry
1. F1 = 40*cos30=34.64 N., Horizontally.
F2 = 40N., Horizontally.
My answer: less than.
2. My answer: its'
F2 = 40N., Horizontally.
My answer: less than.
2. My answer: its'
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