steelryder52 steelryder52

09-11-2017
Physics

contestada

A dog is pulling a sled by applying a force of 75 newtons on it. The angle of force from the ground is 45°. If the sled moves 15 meters, how much work is done by the dog on the sled?

Respuesta :

09-11-2017

Work done = force x distance (where the force is in the direction of the distance travelled)
We must resolve the force so that it is horizontal to the ground
force = 75cos45
Then simply plug into the formula, so:
work done = 75cos45 x 15 = 795.49... Nm = 795 Nm (3 sig. fig.)

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corelovesjennifer20 corelovesjennifer20

02-04-2021

Answer:

W is the answer I got for Plato

Explanation:

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