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RVUNL_CE_Quiz 90

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Question 1

The maximum frictional force which comes into play when a body just begins to slide over the surface of another body is known as ___________.

Question 2

Which one of the following laws is not applicable for a simple pendulum?

Question 3

Two rectangular blocks of weight ‘W’ each are connected by a flexible cord and rest upon a horizontal and an inclined plane with the cord passing over a pulley as shown in the figure below. If is the coefficient of friction for all continuous surfaces, angle ‘’ for motion of system to impede will be

Image result for Two rectangular blocks of weight ‘W’ each are connected by a flexible cord and rest upon a horizontal and an inclined plane with the cord passing over a pulley as shown in the figure below. If is the coefficient of friction for all continuous surfaces, angle ‘’ for motion of system to impede will be

Question 4

A 13 m ladder is placed against a smooth vertical wall with its lower end 5 m from the wall. What should be the coefficient of friction between the ladder and floor so that it remains in equilibrium?

Question 5

A force of 10 kN is required to move a workpiece. What is the needed working pressure, if the piston diameter is 100 mm?

Question 6

In figure, Anika weighs 320N who is at point A, Ayush weighs 540N who is at point B while Harsh weights W who is at point C. Find the weight of Harsh?

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AE & JE Exams

Aug 8AE & JE Exams