A horizontal force p is exerted on a 20kg box

Asked by admin @ 03/08/2021 in Science viewed by 296 People

A horizontal force F is exerted on a 20 kg block to

push it up an inclined plane having an inclination of30°. The frictional force retarding the motion is 80 N.For the acceleration of the moving block to be zero, theforce F must be:30°

Answered by admin @ 03/08/2021

Answer:

F = 20 N

Explanation:

net acceleration is zero

that implies net force is zero

that implies F = mgsin(theta) - frictional force

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