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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about (Assume g = 10 m/sec²)

43834
43835
43833
43832

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Applied Mechanics and Graphic Statics
If ‘v’ and ‘ω’ are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius ‘r’, will be

r/v²
r/ω²
ω²/r
v²/r

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Applied Mechanics and Graphic Statics
Equation of motion of a point in a straight line, is

2fS = v² - u²
v = u + ft
S = ut + ½ ft²
All listed here

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Applied Mechanics and Graphic Statics
For maximum range of a projectile, the angle of projection should be

45°
30°
60°
None of these

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Applied Mechanics and Graphic Statics
In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is

80
50
30
60

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Applied Mechanics and Graphic Statics
Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for

Half oscillation
None of these
Quarter oscillation
Complete oscillation

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