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ISRO Mechanical Exam: Engg. Mechanics Quiz

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Question 1

A car moving with uniform acceleration covers 450 m in a 5 second interval, and covers 700 m in the next 5 second interval. The acceleration of the car is

Question 2

For the apparent weight of a body at equator to becomes zero, the earth should rotate with an angular velocity of

Question 3

The piston of a steam engine moves with simple harmonic motion. The speed of rotation of crank is 120 rpm with a stroke of 2 m. What is the velocity of piston when it is 0.5 m from the centre?

Question 4

Two objects P and Q are traveling horizontally with velocity of 8 m/sec and 6 m/s from left to right. They are separated by a distance of 15 m. The mass of the objects are 3 kg and 5 kg. If the coefficient of restitution is 0.7 what is the velocity (m/s) of P and Q after impact and when (seconds) and where (meters) will they impact with respect to initial positioning of Q. The corresponding answers are respectively.

Question 5

Two blocks with masses M and m are in contact with each other and are resting on a horizontal frictionless floor. When horizontal force is applied to the heavier, the blocks accelerate to the right. The force between the two blocks are

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ESE & GATE ME Engineering Mechanics

Apr 27ESE & GATE ME