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Directions: Solve the following problems.
1. A 10 kg object experiences a horizontal force which causes it to accelerate, moving it a distance of 20 m, horizontally. How much work is done by the force?
Given: Solution:
Find:
2. A crate is moved across a frictionless floor by a rope THAT is inclined 30 degrees above horizontal. The tension in the rope is 50 N. How much work is done in moving the crate 10 meters?
Given: Solution:
Find:
3. A block is moved up a 30 degree incline by a force of 50 N, parallel to the incline. How much work is done by the 50 N force in moving the block a distance of 10 meters?
Given: Solution:
Find:
4. A 3.23kg book falls off the top of a 3.01m bookshelf. How much work is required to put the book back on the top of the bookshelf?
Given: Solution:
Find:
5. A cat knocks a toy mouse across the floor with 3N of force. If the cat did 12J of work, how far did the mouse travel?
Given: Solution:
Find:
6. A crate is pushed 15m across the floor. If 19N of force was used to achieve this motion, how much work was done?
Given: Solution:
Find:
7. Ryan pushes a cabinet 2.1m across the floor, doing 88.2J of work. How much force is he applying to the cabinet?
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