A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²)

Applied Mechanics and Graphic Statics
A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²)

40 m/sec

15 m/sec

50 m/sec

25 m/sec

40 m/sec

15 m/sec

50 m/sec

25 m/sec

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Applied Mechanics and Graphic Statics
Joule is the unit of

Momentum

Work

Impulse

Power

Momentum

Work

Impulse

Power

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Applied Mechanics and Graphic Statics
A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i. 1.0 in from the wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

(i) and (iii)

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

(i) and (iii)

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Applied Mechanics and Graphic Statics
The following is in unstable equilibrium

A uniform solid cone resting on a generator on a smooth horizontal plane

A satellite encircling the earth

A solid cube resting on one edge

A uniform solid cone resting on its base on a horizontal plane

A uniform solid cone resting on a generator on a smooth horizontal plane

A satellite encircling the earth

A solid cube resting on one edge

A uniform solid cone resting on its base on a horizontal plane

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Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

108.5 kg

105.5 kg

110 kg

102.5 kg

108.5 kg

105.5 kg

110 kg

102.5 kg

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Applied Mechanics and Graphic Statics
The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is

sin θ

cosec θ

cos θ

tan θ

sin θ

cosec θ

cos θ

tan θ

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics Joule is the unit of

Applied Mechanics and Graphic Statics The following is in unstable equilibrium

Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

Applied Mechanics and Graphic Statics The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is

Applied Mechanics and Graphic Statics
Joule is the unit of

Applied Mechanics and Graphic Statics
The following is in unstable equilibrium

Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

Applied Mechanics and Graphic Statics
The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is