9. Work & Energy
Intro to Calculating Work
9. Work & Energy
Intro to Calculating Work
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You pull a 5kg box vertically up with a constant 100N force for 2m. How much work do you do?
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You push a 3kg box against a wall for a distance of 2m with a force of 40N that makes a 53° angle with the horizontal, as shown. Calculate the work done by gravity.
3692views65rank9comments - Scelta multiplaA pallet of bricks is being lowered to the ground by a crane. If the bricks are moving at a constant speed, how much work is done by the cable on the bricks as they descend ?1703views
- Scelta multiplaA particle of mass moving along the x axis has velocity with x measured in m. How much work is done on the particle as it moves from to ?1966views



