Mechanical Engineering :: Engineering Mechanics
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The angle which the normal reaction makes with the resultant reaction is called angle of friction.
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Which of the following statement is correct?
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The law of the machine is(where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)
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In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.
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The velocity of a body on reaching the ground from a height h, is
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A.
The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation, |
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B.
The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity. |
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C.
The velocity of the particle moving with simple harmonic motion is zero at the mean position. |
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D.
The acceleration of the particle moving with simple harmonic motion is maximum at the mean position. |