The point about which combined motion of rotation and translation of a rigid body takes place, is known as

Applied Mechanics and Graphic Statics
The point about which combined motion of rotation and translation of a rigid body takes place, is known as

Virtual centre

Point of rotation

Instantaneous centre

Instantaneous axis

Virtual centre

Point of rotation

Instantaneous centre

Instantaneous axis

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Applied Mechanics and Graphic Statics
The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is

1.2 sec

½ sec

1.5 sec

1 sec

1.2 sec

½ sec

1.5 sec

1 sec

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Applied Mechanics and Graphic Statics
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Half the original velocity in the same direction

Original velocity in the opposite direction

Half the original velocity in the opposite direction

Original velocity in the same direction

Half the original velocity in the same direction

Original velocity in the opposite direction

Half the original velocity in the opposite direction

Original velocity in the same direction

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Applied Mechanics and Graphic Statics
Lami's theorem states that

Three coplanar forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

Three coplanar forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two

If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium

Three forces acting at a point are always in equilibrium

Three coplanar forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

Three coplanar forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two

If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium

Three forces acting at a point are always in equilibrium

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Applied Mechanics and Graphic Statics
On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

Upwards at its upper end

Zero at its upper end

Perpendicular to the wall at its upper end

Downwards at its upper end

Upwards at its upper end

Zero at its upper end

Perpendicular to the wall at its upper end

Downwards at its upper end

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Applied Mechanics and Graphic Statics
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be

30 m/sec

20 m/sec

40 m/sec

50 m/sec

30 m/sec

20 m/sec

40 m/sec

50 m/sec

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as

Applied Mechanics and Graphic Statics The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is

Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Applied Mechanics and Graphic Statics Lami's theorem states that

Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

Applied Mechanics and Graphic Statics
The point about which combined motion of rotation and translation of a rigid body takes place, is known as

Applied Mechanics and Graphic Statics
The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is

Applied Mechanics and Graphic Statics
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to

Applied Mechanics and Graphic Statics
Lami's theorem states that

Applied Mechanics and Graphic Statics
On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts