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

5/3

3/4

4/5

3/5

5/3

3/4

4/5

3/5

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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)/(1 - sin θ)

sin θ/(1 + sin θ)

(1 - sin θ)/sin θ

(1 - sin θ)/(1 + sin θ)

(1 + sin θ)/(1 - sin θ)

sin θ/(1 + sin θ)

(1 - sin θ)/sin θ

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Applied Mechanics and Graphic Statics
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

None of these

Parallel

Concurrent

Concurrent parallel

None of these

Parallel

Concurrent

Concurrent parallel

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Applied Mechanics and Graphic Statics
Kinetic friction may be defined as

Friction force acting when the body is in motion

Ratio of limiting friction and normal reaction

Friction force acting when the body is just about to move

Angle between normal reaction and resultant of normal reaction and limiting friction

Friction force acting when the body is in motion

Ratio of limiting friction and normal reaction

Friction force acting when the body is just about to move

Angle between normal reaction and resultant of normal reaction and limiting friction

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Applied Mechanics and Graphic Statics
Rate of change of angular momentum is equal to

Torque

Impulse

Force

Linear momentum

Torque

Impulse

Force

Linear momentum

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Applied Mechanics and Graphic Statics
The maximum displacement of a particle executing S.H.M. corresponds to

Minimum kinetic energy and minimum potential energy

Zero potential energy and maximum kinetic energy

Zero kinetic energy and maximum potential energy

Maximum kinetic energy and maximum potential energy

Minimum kinetic energy and minimum potential energy

Zero potential energy and maximum kinetic energy

Zero kinetic energy and maximum potential energy

Maximum kinetic energy and maximum potential energy

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Applied Mechanics and Graphic Statics

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

Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

Applied Mechanics and Graphic Statics Kinetic friction may be defined as

Applied Mechanics and Graphic Statics Rate of change of angular momentum is equal to

Applied Mechanics and Graphic Statics The maximum displacement of a particle executing S.H.M. corresponds to

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

Applied Mechanics and Graphic Statics
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

Applied Mechanics and Graphic Statics
Kinetic friction may be defined as

Applied Mechanics and Graphic Statics
Rate of change of angular momentum is equal to

Applied Mechanics and Graphic Statics
The maximum displacement of a particle executing S.H.M. corresponds to