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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

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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