Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

Applied Mechanics and Graphic Statics
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

3/5

2/3

1/3

1/5

3/5

2/3

1/3

1/5

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Applied Mechanics and Graphic Statics
A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is:

80 g

100 g

40 g

60 g

80 g

100 g

40 g

60 g

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Applied Mechanics and Graphic Statics
Power developed by a torque, is

2πNT/4500 h.p

2πNT kg m/min

All listed here

2πNT /60 watts

2πNT/4500 h.p

2πNT kg m/min

All listed here

2πNT /60 watts

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Applied Mechanics and Graphic Statics
A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a

Cycloid

Ellipse

Catenary

Parabola

Cycloid

Ellipse

Catenary

Parabola

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Applied Mechanics and Graphic Statics
The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known

Sliding friction

Rolling friction

Limiting friction

None of these

Sliding friction

Rolling friction

Limiting friction

None of these

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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 wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is

(ii) and (iv)

(i) and (iii)

(i) and (iv)

(ii) and (iii)

(ii) and (iv)

(i) and (iii)

(i) and (iv)

(ii) and (iii)

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics Power developed by a torque, is

Applied Mechanics and Graphic Statics A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a

Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known

Applied Mechanics and Graphic Statics
Power developed by a torque, is

Applied Mechanics and Graphic Statics
A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a

Applied Mechanics and Graphic Statics
The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known