Question

I need Free Body Diagram (FBD) ans step by step calculation. Thanks! A crate whose mass...

I need Free Body Diagram (FBD) ans step by step calculation. Thanks!

A crate whose mass is 40-kg is pulled a distance(d=9.0m) up a ramp with a coefficient of kinetic friction of 0.20 to a height h of 4.0 meters above its starting point. How much work is done by the winch?

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Answer #1

The image is not uploaded. Please consider this.

Force = mu*N = mu*mg = 0.20*40*9.8 = 78.4 N

Now

Work = force * displacement = 78.4*9 = 768.32 J

So W = 768.32 J

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