Now the contestant pulls the 45-kg block of ice across the frozen lake with a rope over his shoulder as shown in the figure. The maximum coefficient of static friction between the block and ice is μs= 0.1, and the coefficient of kinetic friction is μk= 0.03. θ= 25° as shown. d) Calculate the minimum force F that must be exerted to get the block moving. e) What is the acceleration of the block once it starts to move if the force from part (d) is maintained?

College Physics
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ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 60AP: (a) What is the minimum force of friction required to hold the system of Figure P4.74 in...
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Now the contestant pulls the 45-kg block of ice across the frozen lake with a rope over his shoulder as shown in the figure. The maximum coefficient of static friction between the block and ice is μs= 0.1, and the coefficient of kinetic friction is μk= 0.03. θ= 25° as shown.

d) Calculate the minimum force F that must be exerted to get the block moving.

e) What is the acceleration of the block once it starts to move if the force from part (d) is maintained?

 

 

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