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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2A, the energy becomes

4E
E/2
2E
E

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Applied Mechanics and Graphic Statics
Energy may be defined as

All listed here
Rate of doing work
Capacity of doing work
Power of doing work

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Applied Mechanics and Graphic Statics
Maximum efficiency of a screw jack for the angle of friction θ, is

(1 - sin θ)/(1 + sin θ)
(1 - sin θ)/sin θ
sin θ/(1 + sin θ)
(1 + sin θ)/(1 - sin θ)

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Applied Mechanics and Graphic Statics
For a self-locking machine, the efficiency should be

Less than 60%
More than 50%
None of these
0.5

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Applied Mechanics and Graphic Statics
A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be

1.0 m/sec
2.0 m/sec
Zero
0.5 m/sec

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Applied Mechanics and Graphic Statics
One Newton is equivalent to

9.81 kg. wt
1/9.81 kg. wt
1 kg. wt
981 dyne

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MORE MCQ ON Applied Mechanics and Graphic Statics

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