3. Your leg is in a cast and must be kept elevated. If the leg now has a mass of 15 kg and the center of mass for the leg is 43 cm from your hip (the pivot point) then how much mass would need to hang off the traction device to keep the leg motionless if the mass attaches to the leg 65 cm from your hip? m

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
Problem 39P: The forearm shown below is positioned at an angle with respect to the upper arm , and a 5.0- kg...
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2. What is necessary for
3. Your leg is in a cast and must be kept elevated. If the leg now has a mass of 15 kg and
the center of mass for the leg is 43 cm from your hip (the pivot point) then how
much mass would need to hang off the traction device to keep the leg motionless
if the mass attaches to the leg 65 cm from your hip?
m
4. How far from the pivot must a 5 kg child sit to balance a seesaw that is 3 m long and
has a mass of 2 kg if we place a 8 kg child on one end and put the pivot 1 m from this
heavy child?
| 1 m
5 kg
OF
8 kg
Transcribed Image Text:2. What is necessary for 3. Your leg is in a cast and must be kept elevated. If the leg now has a mass of 15 kg and the center of mass for the leg is 43 cm from your hip (the pivot point) then how much mass would need to hang off the traction device to keep the leg motionless if the mass attaches to the leg 65 cm from your hip? m 4. How far from the pivot must a 5 kg child sit to balance a seesaw that is 3 m long and has a mass of 2 kg if we place a 8 kg child on one end and put the pivot 1 m from this heavy child? | 1 m 5 kg OF 8 kg
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