Constants The disk weighs 11 lb and its radius is 6 in. It is stationary on the surface when the force F = 13 lb is applied. Part A If the disk rolls on the surface, what is the acceleration of its center? Express your answer with the appropriate units. HA ft a = 38.05 Submit Previous Answers Request Answer X Incorrect; Try Again; 6 attempts remaining Figure < 1 of 1 Part B What minimum coefficient of static friction is necessary for the disk to roll instead of slipping when the force is applied? (Figure 1) vec ? Submit Request Answer P Pearson

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.11P: Solve Prob. 7.10 assuming that the pick-up truck has front-wheel drive.
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Constants
The disk weighs 11 lb and its radius is 6 in. It is stationary
on the surface when the force F = 13 lb is applied.
Part A
If the disk rolls on the surface, what is the acceleration of its center?
Express your answer with the appropriate units.
HẢ
?
ft
a = 38.05
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 6 attempts remaining
Figure
< 1 of 1 >
Part B
What minimum coefficient of static friction
necessary for the disk to roll instead of slipping when the force is applied? (Figure 1)
να ΑΣφ
?
vec
Hs =
Submit
Request Answer
P Pearson
Transcribed Image Text:Constants The disk weighs 11 lb and its radius is 6 in. It is stationary on the surface when the force F = 13 lb is applied. Part A If the disk rolls on the surface, what is the acceleration of its center? Express your answer with the appropriate units. HẢ ? ft a = 38.05 Submit Previous Answers Request Answer X Incorrect; Try Again; 6 attempts remaining Figure < 1 of 1 > Part B What minimum coefficient of static friction necessary for the disk to roll instead of slipping when the force is applied? (Figure 1) να ΑΣφ ? vec Hs = Submit Request Answer P Pearson
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