Engineering-mechanics Questions Set 6:
If the gravitational acceleration at any place is tripled, what is the weight of a body?
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If the body's momentum increases by 20%, what is the correct percentage increase in the kinetic energy?
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The cone clutches have become obsolete because of
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What is the name of the pendulum that completes one oscillation per second?
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One of the assumptions for the calculations of a cable subjected to its own weight is that the cable is:
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Calculate the power generated by the engine (in watts) if the work done by it in 7 seconds is 500 joules.
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Calculate the ratio of magnitudes for linear momentum when two objects of 20 kg and 10 kg move with equal kinetic energy.
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A machine gun fires 60 bullets per minute with a velocity of 700 m/s. If each bullet has a mass of 50 g, the power developed by the gun is:
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An elevator weighing 1000 kg attains an upward velocity of 4 m/s in two seconds with uniform acceleration. The tension (in N) in the supporting cable will be (g = 9.8 m/s²)
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A ball is thrown vertically upwards with an initial velocity of 15 m/s from a height of 60 m above the ground. Assuming air resistance is negligible and acceleration due to gravity is 9.81 m/s², the time taken by the ball to reach the ground is:
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