A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is

Applied Mechanics and Graphic Statics
A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is

4/5

3/4

5/3

3/5

4/5

3/4

5/3

3/5

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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)

43834

43832

43835

43833

43834

43832

43835

43833

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Applied Mechanics and Graphic Statics
For a non-concurrent force system to be in equilibrium

None of these

Only the closure of force polygon is sufficient

Both force polygon and funicular polygon must close

Only the closure of funicular polygon is sufficient

None of these

Only the closure of force polygon is sufficient

Both force polygon and funicular polygon must close

Only the closure of funicular polygon is sufficient

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Applied Mechanics and Graphic Statics
The torque produced by a force depends on i. the magnitude of the force ii. the direction of the force iii. the point of application of the force relative to origin The correct answer is

all (i), (ii) and (iii)

both (i) and (ii)

only (i)

both (i) and (iii)

all (i), (ii) and (iii)

both (i) and (ii)

only (i)

both (i) and (iii)

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Applied Mechanics and Graphic Statics
One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is

a simple harmonic motion

a rectilinear motion with constant speed

None of these

a damped oscillatory motion

a simple harmonic motion

a rectilinear motion with constant speed

None of these

a damped oscillatory motion

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Applied Mechanics and Graphic Statics
A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration

At the top of the trajectory

Elsewhere

As it strikes the ground

At the start

At the top of the trajectory

Elsewhere

As it strikes the ground

At the start

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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)

Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium

Applied Mechanics and Graphic Statics The torque produced by a force depends on i. the magnitude of the force ii. the direction of the force iii. the point of application of the force relative to origin The correct answer is

Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration

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)

Applied Mechanics and Graphic Statics
For a non-concurrent force system to be in equilibrium

Applied Mechanics and Graphic Statics
The torque produced by a force depends on i. the magnitude of the force ii. the direction of the force iii. the point of application of the force relative to origin The correct answer is

Applied Mechanics and Graphic Statics
A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration