Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50 N/m, attached to a 50-kg block in an incline (θ=30°). With the spring initially at equilibrium position, the block was pulled 0.3 meters down the incline by a 50-N external force applied parallel to the path. If the coefficient of kinetic friction is 0.3, determine the: a) normal force (in Newtons) b) work done by the spring (in Joules)

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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Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50 N/m, attached to a 50-kg block in an incline (θ=30°). With the spring initially at equilibrium position, the block was pulled 0.3 meters down the incline by a 50-N external force applied parallel to the path. If the coefficient of kinetic friction is 0.3, determine the: a) normal force (in Newtons) b) work done by the spring (in Joules)

 

424.35, 2.25
 
 
 
-2.25, 424.35,
 
 
 
424.35, -2.25
 
 
 
2.25, 424.35
Khufra works at a spring factory and he was assigned to test a certain
spring, whose constant is 50 N/m, attached to a 50-kg block in an incline
(0=30°). With the spring initially at equilibrium position, the block was
pulled 0.3 meters down the incline by a 50-N external force applied
parallel to the path. If the coefficient of kinetic friction is 0.3, determine
the: a) normal force (in Newtons) b) work done by the spring (in Joules)
424.35, 2.25
-2.25, 424.35,
424.35, -2.25
2.25, 424.35,
Transcribed Image Text:Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50 N/m, attached to a 50-kg block in an incline (0=30°). With the spring initially at equilibrium position, the block was pulled 0.3 meters down the incline by a 50-N external force applied parallel to the path. If the coefficient of kinetic friction is 0.3, determine the: a) normal force (in Newtons) b) work done by the spring (in Joules) 424.35, 2.25 -2.25, 424.35, 424.35, -2.25 2.25, 424.35,
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