Question

A man pushes a block of 30 Kg along a level floor at constant speed with a force directed at 45° below the horizontal. If the coefficient of friction is 0.20, then:work done by all the forces exerted by the surface on the block in 20 meters is -1500 J. true Or false explain




I giveing answer of this question this help you budies
​

Answer 1

A man pushes a block of 30 Kg along a level floor at constant speed with a force directed at 45° below the horizontal. If the coefficient of friction is 0.20, then:work done by all the forces exerted by the surface on the block in 20 meters is -1500 J. true Or false explain