A lift motor has to move a fully laden lift 4m between floors in 1.5s. The lift has a mass of 1850kg (ignore friction and use g=10 m/s^2). What is the minimum power (W) of the motor to raise the lift at a steady speed?
A lift motor has to move a fully laden lift 4m between floors in 1.5s. The lift has a mass of 1850kg (ignore friction and use g=10 m/s^2). What is the minimum power (W) of the motor to raise the lift at a steady speed?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter10: Work, Energy And Machines
Section10.1: Work And Energy
Problem 13PP
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