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

43954

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43926

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Applied Mechanics and Graphic Statics
The following is not a law of static friction:

The force of friction always acts in a direction opposite to that in which the body tends to move

The force of friction is dependent upon the area of contact

The force of friction depends upon the roughness of the surface

The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces

The force of friction always acts in a direction opposite to that in which the body tends to move

The force of friction is dependent upon the area of contact

The force of friction depends upon the roughness of the surface

The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces

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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

Limiting friction

Rolling friction

Sliding friction

None of these

Limiting friction

Rolling friction

Sliding friction

None of these

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Applied Mechanics and Graphic Statics
A satellite moves in its orbit around the earth due to

Centrifugal force

None of these

Centripetal force

Gravitational force

Centrifugal force

None of these

Centripetal force

Gravitational force

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Applied Mechanics and Graphic Statics
If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

10 rad/sec

20 rad/sec

5 rad/sec

20 rad/sec

10 rad/sec

20 rad/sec

5 rad/sec

20 rad/sec

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Applied Mechanics and Graphic Statics
If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line

(i) and (iii)

Only (i)

All (i), (ii) and (iii)

(i) and (ii)

(i) and (iii)

Only (i)

All (i), (ii) and (iii)

(i) and (ii)

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics The following is not a law of static friction:

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 A satellite moves in its orbit around the earth due to

Applied Mechanics and Graphic Statics If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line

Applied Mechanics and Graphic Statics
The following is not a law of static friction:

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
A satellite moves in its orbit around the earth due to

Applied Mechanics and Graphic Statics
If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

Applied Mechanics and Graphic Statics
If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line