Solution Found!
The 50-lb crate is given a speed of 10 ft>s in t = 4 s starting from rest. If the
Chapter 14, Problem 14-52(choose chapter or problem)
The 50-lb crate is given a speed of 10 ft/s in t = 4 s starting from rest. If the acceleration is constant, determine the power that must be supplied to the motor when t = 2 s. The motor has an efficiency \(\varepsilon = 0.65\). Neglect the mass of the pulley and cable.
Questions & Answers
QUESTION:
The 50-lb crate is given a speed of 10 ft/s in t = 4 s starting from rest. If the acceleration is constant, determine the power that must be supplied to the motor when t = 2 s. The motor has an efficiency \(\varepsilon = 0.65\). Neglect the mass of the pulley and cable.
ANSWER:
Step 1 of 5
The crate has a weight of .
The crate is given a speed of in starting from rest
The motor has an efficiency of .
The power that must be supplied to the motor when is to be determined.
Refer to the free body diagram below.