Applied Mechanics MCQs
Practice free Applied Mechanics multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 146 questions — no login required.
Question 136easy
A projectile is fired with a velocity of 100.3 in/sec. at an elevation of 60?. The velocity attained by the projectile when it is moving at a height of 100 m, is
Question 137easy
On a mass m describing a circular path of radius r, the centrifugal force
Question 138easy
In a simple screw jack, the pitch of the screw is 9 nun and length of the handle operating the screw is 45 cm. The velocity ratio of the system is
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Question 139easy
A spring scale in a stationary lift shows a reading of 60 kg for a man standing on it. If the lift starts descending at an acceleration of g/5, the scale reading would be
Question 140easy
The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through
Question 141easy
A projectile is thrown at an angle a to the horizontal with a velocity v. It will have the maximum centripetal acceleration
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Question 142easy
A 50 kg boy climbs up a 8 An rope in'gymnasiam in 10 sec. The average power developed by the boy is approximately
Question 143easy
A pilot flies a small plane in a vertical loop of radius r. At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is g, the speed of the plane at the top of its trajectory would be
Question 144easy
The displacement of a particle which moves along a straight line is given by S = 4t3 + 3t2 ? 10 where S is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is