A force of constant magnitude pushes a box up a vertical surface as shown in the

Question

A force of constant magnitude pushes a box up a vertical surface as shown in the figure. The box moves at a constant speed.  If the mass of the box is

A force of constant magnitude pushes a box up a vertical surface as shown in the figure. The box moves at a constant speed. If the mass of the box is 6.0 kg, it is pushed 2.5 m vertically upward, the coefficient of friction is 0.35 and the angle ? is 30.0 degree, determine the following. work done on the box by J work done on the box by the force of gravity J work done on the box by the normal force J increase in gravitational potential energy of the box as it moves up the wall J

Explanation / Answer

a.)work done By F =F*x*cos(90-theta) =1.25 F

b.)W=-m*g*x =-147.15 J

c.)0 as angle is zero

d.)increase in gravitational potential energy=work done by gravity =147.15 J

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