Problem 10: A contestant in a winter sporting event pulls a 42 kg block of ice in the positive horizontal direction with a rope over his shoulders across a frozen lake as shown in the figure. Assume the coefficients of static and kinetic friction are u=0.1 and u=0.03. 25° Part (a) Calculate the minimum force F he must exert to get the block sliding in newtons. Fmin =

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 63PQ: A 75.0-g arrow, fired at a speed of 110 m/s to the left, impacts a tree, which it penetrates to a...
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Problem 10: A contestant in a winter sporting event pulls a 42 kg block of ice in the
positive horizontal direction with a rope over his shoulders across a frozen lake as shown in the
figure. Assume the coefficients of static and kinetic friction are u=0.1 and u=0.03.
F
25°
Part (a) Calculate the minimum force F he must exert to get the block sliding in newtons.
Fmin =
8
HOME
sin()
cos()
tan()
JT
Transcribed Image Text:Problem 10: A contestant in a winter sporting event pulls a 42 kg block of ice in the positive horizontal direction with a rope over his shoulders across a frozen lake as shown in the figure. Assume the coefficients of static and kinetic friction are u=0.1 and u=0.03. F 25° Part (a) Calculate the minimum force F he must exert to get the block sliding in newtons. Fmin = 8 HOME sin() cos() tan() JT
an
k
ai
Part (b) What is its acceleration in m/s² once it starts to move, if that force is maintained?
en
a =
Transcribed Image Text:an k ai Part (b) What is its acceleration in m/s² once it starts to move, if that force is maintained? en a =
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