Solution Found!
At the instant shown, point P on the cable has a velocity vP = 12 m>s, which is
Chapter 14, Problem F14-12(choose chapter or problem)
At the instant shown, point P on the cable has a velocity \(v_{P} = 12 \ m/s\), which is increasing at a rate of \(a_{P} = 6 \ m/s^{2}\). Determine the power input to motor M at this instant if it operates with an efficiency \(\varepsilon = 0.8\). The mass of block A is 50 kg.
Questions & Answers
QUESTION:
At the instant shown, point P on the cable has a velocity \(v_{P} = 12 \ m/s\), which is increasing at a rate of \(a_{P} = 6 \ m/s^{2}\). Determine the power input to motor M at this instant if it operates with an efficiency \(\varepsilon = 0.8\). The mass of block A is 50 kg.
ANSWER:
Step 1 of 4
Given,
The mass of the block A,
The speed of the cable,
The acceleration of the motor,
The efficiency of the motor,
Free body diagram of the block A:
Where is the tension in the sting connected to the block and is the weight of the block.