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A block of 500kg is raised at a constant rate by a hoist at a rate of 0.15m/s calculate the force in the rope and hence the power used

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A block of 500kg is raised at a constant rate by a hoist at a rate of 0.15m/s calculate the force in the rope and hence the power used

Guest Mar 17, 2015

#1
+26396
+5

Since the block isn't accelerating the force will equal the weight of the block, namely 500*9.8 Newtons.

Power is force*speed, so power = 500*9.8*0.15 Joules/second (or Watts).

I'll leave you to crunch the numbers.

.

Alan  Mar 17, 2015
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#1
+26396
+5

Since the block isn't accelerating the force will equal the weight of the block, namely 500*9.8 Newtons.

Power is force*speed, so power = 500*9.8*0.15 Joules/second (or Watts).

I'll leave you to crunch the numbers.

.

Alan  Mar 17, 2015

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