Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Applied Mechanics and Graphic Statics
Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

5 m/sec

Zero

10 m/sec

None of these

5 m/sec

Zero

10 m/sec

None of these

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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

1/5

1/3

3/5

2/3

1/5

1/3

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Applied Mechanics and Graphic Statics
One Joule is equivalent to

1 dyne metre

1 Newton metre

9.81 Newton metre

1 kg wt metre

1 dyne metre

1 Newton metre

9.81 Newton metre

1 kg wt metre

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Applied Mechanics and Graphic Statics
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Both reach the bottom simultaneously with equal rotational energy at bottom

Sphere with lesser rotational energy at bottom than cylinder

Cylinder with greater rotational energy at bottom than sphere

Sphere with greater rotational energy at bottom than cylinder

Both reach the bottom simultaneously with equal rotational energy at bottom

Sphere with lesser rotational energy at bottom than cylinder

Cylinder with greater rotational energy at bottom than sphere

Sphere with greater rotational energy at bottom than cylinder

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Applied Mechanics and Graphic Statics
The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are:

3 kgf, 4 kgf

4 kgf, 5 kgf

5 kgf, 3 kgf

2 kgf, 3 kgf

3 kgf, 4 kgf

4 kgf, 5 kgf

5 kgf, 3 kgf

2 kgf, 3 kgf

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Applied Mechanics and Graphic Statics
If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

T = g(M2 + M1)/(M2 - M1)

T = g(M2 - M1)/(M1 + M2)

T = g(M1 + M2)/(M1 × M2)

T = g(M1 - M2)/(M1 + M2)

T = g(M2 + M1)/(M2 - M1)

T = g(M2 - M1)/(M1 + M2)

T = g(M1 + M2)/(M1 × M2)

T = g(M1 - M2)/(M1 + M2)

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Applied Mechanics and Graphic Statics One Joule is equivalent to

Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are:

Applied Mechanics and Graphic Statics If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

Applied Mechanics and Graphic Statics
Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be

Applied Mechanics and Graphic Statics
One Joule is equivalent to

Applied Mechanics and Graphic Statics
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Applied Mechanics and Graphic Statics
The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are:

Applied Mechanics and Graphic Statics
If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by