7. An object of mass 10 kg is sliding from the top to bottom in a frictionless inclined plane of inclination e = 35° and the length on inclined plane is 10m as shown in the figure. Calculate the work done by gravitational force and normal force on the object. (N 10 m mg sin e mg cos e mg a.) 799 Joules b.) 800 Joules c.) 562 Joules d.) 570 Joules

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Author:William Moebs, Samuel J. Ling, Jeff Sanny
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Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 42P: A particle moving in the xy -plane is subject to a force F(x,y)=(50Nm2)(xi+yj)( x 2 + y 2 )3/2 ,...
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7. An object of mass 10 kg is sliding from the top to bottom in a frictionless inclined plane of inclination
e = 35° and the length on inclined plane is 10m as shown in the figure. Calculate the work done by
gravitational force and normal force on the object.
10 m
mg sin e
mg cos e
mg
a.) 799 Joules
b.) 800 Joules
c.) 562 Joules
d.) 570 Joules
Transcribed Image Text:7. An object of mass 10 kg is sliding from the top to bottom in a frictionless inclined plane of inclination e = 35° and the length on inclined plane is 10m as shown in the figure. Calculate the work done by gravitational force and normal force on the object. 10 m mg sin e mg cos e mg a.) 799 Joules b.) 800 Joules c.) 562 Joules d.) 570 Joules
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