A contestant in a winter games event pulls a 53.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.   (a) Calculate the minimum force F (in N) he must exert to get the block moving. ____ N   (b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 9P: A 3.00-kg block starts from rest at the top of a 30.0 incline and slides a distance of 2.00 m down...
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A contestant in a winter games event pulls a 53.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure.
The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.
 
(a)
Calculate the minimum force F (in N) he must exert to get the block moving. ____ N
 
(b)
What is its acceleration (in m/s2) once it starts to move, if that force is maintained?
A contestant in a winter games event pulls a 53.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure.
25°
The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.
(a) Calculate the minimum force F (in N) he must exert to get the block moving.
548
X N
(b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained?
9.2
x m/s2
Transcribed Image Text:A contestant in a winter games event pulls a 53.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure. 25° The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving. 548 X N (b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained? 9.2 x m/s2
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