The crate, having a weight of 50 lb, is hoisted by the pulley system and motor M. If the

Chapter 14, Problem R14-5

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

The crate, having a weight of 50 lb, is hoisted by the pulley system and motor M. If the crate starts from rest and, by constant acceleration, attains a speed of 12 ft/s after rising 10 ft, determine the power that must be supplied to the motor at the instant s = 10 ft. The motor has an efficiency \(\varepsilon = 0.74\).

Questions & Answers

QUESTION:

The crate, having a weight of 50 lb, is hoisted by the pulley system and motor M. If the crate starts from rest and, by constant acceleration, attains a speed of 12 ft/s after rising 10 ft, determine the power that must be supplied to the motor at the instant s = 10 ft. The motor has an efficiency \(\varepsilon = 0.74\).

ANSWER:

Step 1 of 5

Mass of the crate, .

Speed,  

Distance arise,  

The motor has an efficiency e = 0.74.

Add to cart


Study Tools You Might Need

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back