The horizontal components of the forces sum up to zero.
Only the vertical components of the force do work.
The two ropes seen In the figure are used to lower a 255 kg piano 6.00 m from a second-story window to the ground.
How much work is done by each of the three forces ?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Intro to Calculating Work concept. You can view video lessons to learn Intro to Calculating Work. Or if you need more Intro to Calculating Work practice, you can also practice Intro to Calculating Work practice problems.