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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately

4000 watts
500 watts
None of these
400 watts

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Applied Mechanics and Graphic Statics
‘P’ is the force acting on a body whose mass is ‘m’ and acceleration is ‘f’. The equation P - mf= 0, is known as

Equation of dynamics
Equation of statics
Equation of dynamic equilibrium
None of these

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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)

43832
43835
43833
43834

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Applied Mechanics and Graphic Statics
If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is

u² sin² α/2g
u² sin 2α/2g
u² cos² α/2g
u² tan² α/2g

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Applied Mechanics and Graphic Statics
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

18 m/sec
20 m/sec
22 m/sec
16 m/sec

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Applied Mechanics and Graphic Statics
The unit of force in C.G.S. system of units, is called

Newton
Kg
All of these
Dyne

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