An object of mass m=1.4 kg is sliding from top to bottom of an inclined plane of inclination angle 0 = 33.4° and the length of inclined plane is 10 m as shown in the figure. The coefficient of kinetic fractional force of the inclined surface is 0.4 Calculate the net work (in J) done on the object. O a. 29.67 O b. 45.83 O c. 121.32 O d. 75.49 O e. None of the choices

An object of mass m=1.4 kg is sliding from top to bottom of an inclined plane of inclination angle 0 = 33.4° and the length of inclined plane is 10 m as shown in the figure. The coefficient of kinetic fractional force of the inclined surface is 0.4 Calculate the net work (in J) done on the object. O a. 29.67 O b. 45.83 O c. 121.32 O d. 75.49 O e. None of the choices

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 7P: A sledge loaded with bricks has a total mass of 18.0 kg and it pulled at constant speed by a rope...

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A sledge loaded with bricks has a total mass of 18.0 kg and it pulled at constant speed by a rope inclined at 20.0 above the horizontal. The sledge moves a distance of 20.0 m on a horizontal surface. The confident of kinetic friction between the sledge and surface it 0.500. (a) What is the tension in the rope? (b) How much work is done by the rope on the sledge? (c) What is the mechanical energy lost due to friction?
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