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

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Which of the following is not the unit of work, energy and heat ?

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The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be______________?

A. r/2 B. 2r/3 C. r/A D. 3r/2 E. 3r/A...

The C.G. of a right circular solid cone of height h lies at the following distance from the base_____________?

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Pick up wrong statement about friction force for dry surfaces. Friction force is________________?

A. proportional to normal load between the surfaces B. dependent on the materials of contact surface C. proportional to velocity of sliding D. independent of the area of contact surfaces E. none of the above is wrong statement...

The product of either force of couple with the arm of the couple is called________________?

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