Question

The power of a motor is 40 kW. At what speed can the motor raise a load of 20,000 N?

April 9, 2024

Answer

Power = 40 kW

Force = 20,000 N

Power = force × velocity

⇒ velocity = $Power\over Force$

= $40000\over 20000$

= 2 m s^-1

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