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SSC JE ME Quiz_ Engineering Mechanics Booster Quiz-9
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Question 1
Four forces P, 2P, 3P and 4P act along the sides taken along the sides of a square. The resultant force has the magnitude of
Question 2
When a body is subjected to two forces, the body will be in equilibrium if the two forces are:
Question 3
The force in the member PQ of the truss PQR is:
Question 4
A two member truss ABC is configured as shown in figure. The force in the member AB is
Question 5
A straight rod of length L(t), hinged at one end and freely extensible at the other end, rotates through an angle θ(t) about the hinge. At time t, L(t) = 1 m, L(t) = 1 m/s,
θ(t) = π/4 rad and θ(t) = 1 rad/s. the magnitude of velocity of the other end is
Question 6
A rubber ball is thrown vertically upward with a velocity u from the top of a building. It strikes the ground with a velocity 3u. The time taken by the ball to reach the ground is given by:
Question 7
Which of the following is the unit of energy?
Question 8
A ball is thrown up. The sum of kinetic and potential energies will be maximum at
Question 9
Find the centroid of the given figure from the X-axis.
Question 10
Which of the following is correct about angle of repose?
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