A 1400 kg block of granite is pulled up an incline at aconstant speed of 1.77 m/s by acable and winch. The coefficient of kinetic frictionbetween the block and the incline is 0.40. What is the power due tothe force applied to the block by the cable?
Lennie Carroll
Answered question
2020-11-07
Answer & Explanation
Clelioo
Skilled2020-11-08Added 88 answers
Power = Fv (F = force, v = velocity)
Forceon cable = Force of gravity + Force offriction
Use the pythagorean theorem to find the length of the incline:
Substituting
Just plug-in the values and solve.
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