1. A gardener pushes a mower a distance of 900 m in mowing a yard. The handle of the mower makes an angle of 40.0° with the ground. The gardener exerts a force of 35.0 N along the handle of the mower (Figure). How much work does the gardener do in mowing the lawn?

2. The handle of a vegetable wagon makes an angle of 25.0° with the horizontal (Figure). If the peddler exerts a force of 35.0 lb along the handle, how much work does the peddler do in pulling the cart 1.00 mi?

3. A crate is pulled 675 ft across a warehouse floor by a worker using a rope that makes an angle of 50.0° with the floor. If 375 lb is exerted on the rope, how much work is done in pulling the crate across the floor?
4. A man pulls a sled a distance of 231 m. The rope attached to the sled makes an angle of 30.0° with the ground. The man exerts a force of 775 N on the rope. How much work does the man do in pulling the sled?
5. A tractor tows a barge through a canal with a towrope that makes an angle of 21° with the bank of the canal. If the tension in the rope is 12,000 N, how much work is done in moving the barge 550 m?
6. Two tractors tow a barge through a canal; each tractor uses a towrope that makes an angle of 21° with the bank of the canal. If the tension in each rope is 12,000 N, how much work is done in moving the barge 550m?

Transcribed Image Text:

35.0 N 40.0 35.0 lb 25.0