Calculate the force (in N) the woman in the figure below exerts to do a push-up at a constant speed, taking all data to be known to three digits.
Calculate the force (in N) the woman in the figure below exerts to do a push-up at a constant speed, taking all data to be known to three digits.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Calculate the force (in N) the woman in the figure below exerts to do a push-up at a constant speed, taking all data to be known to three digits.
![(a) Calculate the force (in N) the woman in the figure below exerts to do a push-up at constant speed, taking all data to be known to three digits. (You
may need to use torque methods from
later chapter.)
275.733
0.88 m
N
m = 47 kg
CG
1.47 m
W
Freaction
(b) How much work (in J) does she do if her center of mass rises 0.200 m?
92.12
J
(c) What is her useful power output (in W) if she does 30 push-ups in 1 min? (Should work done lowering her body be included? See the discussion of
useful work in Work, Energy, and Power in Humans.)
92.12
X W](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0fb6fbe8-c93b-4e2e-8100-eedf21471e21%2Ff37aa155-4bc6-4622-9734-01d1fed75d92%2Fk7tbwd3_processed.png&w=3840&q=75)
Transcribed Image Text:(a) Calculate the force (in N) the woman in the figure below exerts to do a push-up at constant speed, taking all data to be known to three digits. (You
may need to use torque methods from
later chapter.)
275.733
0.88 m
N
m = 47 kg
CG
1.47 m
W
Freaction
(b) How much work (in J) does she do if her center of mass rises 0.200 m?
92.12
J
(c) What is her useful power output (in W) if she does 30 push-ups in 1 min? (Should work done lowering her body be included? See the discussion of
useful work in Work, Energy, and Power in Humans.)
92.12
X W
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