Solved: A window washer pulls herself upward using the

Chapter 19, Problem 29P

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

(II) A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4–48. (a) How hard must she pull downward to raise herself slowly at constant speed? (b) If she increases this force by 15%, what will her acceleration be? The mass of the person plus the bucket is 65 kg.

                                         

Questions & Answers

QUESTION:

(II) A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4–48. (a) How hard must she pull downward to raise herself slowly at constant speed? (b) If she increases this force by 15%, what will her acceleration be? The mass of the person plus the bucket is 65 kg.

                                         

ANSWER:

Step 1 of 5

The window washer pulls herself upward using the bucket pulley apparatus shown in the figure below

.

The window washer pulls herself upward inside the bucket (or the rectangle shown on the picture below) using the pulley. With these, the tension on the rope is upwards since she pulls herself upwards while having a weight, having a total mass of .

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