Physics · Explorer

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Power and timeRunning
Energy ledger. Trip time at 27.6 s. Work delivered 77280 J, Work per trip 33600 J. Currently work delivered is over by 43680 J.TUNING
t = 0.0s

Work delivered

77280J

Work per trip

33600J

Work delivered is over by 43680 J

27.6 s

Energy ledger. Trip time at 27.6 s. Work delivered 77280 J, Work per trip 33600 J. Currently work delivered is over by 43680 J.

What has to balanceP=WtP = \frac{W}{t}

What is happening

You are called to a goods lift being specified for a warehouse mezzanine.

The specification contradicts itself. Each trip does 33 600 J of work, the motor plate is fixed at 2 800 W, and the trip time written down matches neither.