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# BPSC AE Engineering Mechanics QUIZ 1

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Question 1

According to Lami’s theorem

Question 2

A weight W hangs by a string. It is pushed aside by a horizontal force until the string makes an angle of 30° with vertical. The tension in the string is

Question 3

What is the major difference between truss and beam?

Question 4

What is the mass moment of inertia of a sphere of mass m and radius R about a diametrical axis?

Question 5

On which of the following factors does coefficient of friction depend on

a) Nature of Surface

b) Area of Contact

c) Shape of the Surface

Question 6

On a ladder resting on a smooth ground and leaning against vertical wall, the force of friction will be:

Question 7

A circular disc of radius r rolls without slipping at velocity v. The magnitude of velocity at topmost point is

Question 8

If a = -4S-2 and motion starts with infinite displacement, the velocity of object at S =16 m is_____.

Question 9

A sand glass is being weighed on a sensitive balance, first when sand is dropping in a steady stream from the upper to lower part and then again after the upper part is empty ,which of the following is true?

Question 10

If v1 and v2 are the initial velocities of two bodies making direct collision and if u1 and u2 are their respective velocities after collision then the coefficient of restitution is given by:
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