We now focus on the take-off stage b to c in Figure 1. Squat stage lowest point of squat GRF, in terms of mg 0 A. mg B. 2.25 mg Stand C.3 mg D. 0.5 mg -0.6 P -0.4 -0.2 Time (s) Step on force plate b push off stage с 0 A 0.4 0.6 a. What is the force at the lowest point of the squat (point b) if the person's mass m= 65 kg? Enter to 2 significant figures N In air b. What is the peak force during the push-off if the person's mass m= 65 kg? Round to the upper grid mark on the graph. Enter to 2 significant figures N For questions d-f, use the answers from the previous questions to solve for the current question. c. The take-off stage in the force-time graph occurs between the points b to c. From the plot, what is the approximate average GRF, (in terms of mg) during take-off (between b and c)? A rough estimate is fine.

We now focus on the take-off stage b to c in Figure 1. Squat stage lowest point of squat GRF, in terms of mg 0 A. mg B. 2.25 mg Stand C.3 mg D. 0.5 mg -0.6 P -0.4 -0.2 Time (s) Step on force plate b push off stage с 0 A 0.4 0.6 a. What is the force at the lowest point of the squat (point b) if the person's mass m= 65 kg? Enter to 2 significant figures N In air b. What is the peak force during the push-off if the person's mass m= 65 kg? Round to the upper grid mark on the graph. Enter to 2 significant figures N For questions d-f, use the answers from the previous questions to solve for the current question. c. The take-off stage in the force-time graph occurs between the points b to c. From the plot, what is the approximate average GRF, (in terms of mg) during take-off (between b and c)? A rough estimate is fine.

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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Question

We now focus on the take-off stage b to c in Figure 1.
Squat stage
lowest point
of squat
A. mg
B. 2.25 mg
GRF, in terms of mg
C.3 mg
D. 0.5 mg
Stand
still
-0.6
a
B. √0.5gd
C. √1.25gd
D. √2.5gd
-0.4
Step on
force plate
-0.2
Time (s)
b
push off
stage
с
0 A
a. What is the force at the lowest point of the squat (point b) if the person's mass m= 65 kg?
Enter to 2 significant figures
N
b. What is the peak force during the push-off if the person's mass m= 65 kg? Round to the upper grid
mark on the graph.
Enter to 2 significant figures
N
In air
For questions d-f, use the answers from the previous questions to solve for the current question.
c. The take-off stage in the force-time graph occurs between the points b to c.
From the plot, what is the approximate average GRF (in terms of mg) during take-off (between b and
c)?
A rough estimate is fine.
0.4 0.6
d. Calculate the average acceleration during take-off in terms of the acceleration due to gravity g.
A. 0
B. 0.5 g
C. 1.25 g
D. 2 g
e. Calculate the take-off velocity vin terms of the acceleration due to gravity g and the squat depth d.
Pick from the following choices.
A. 0
f. Calculate the height during the jump in terms of the squat depth d.
A. 0.5 d
B. 1.0 d
C. 1.25 d
D. 2.5 d

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