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Strength of Materials

The maximum frictional force which comes into play when a body just begins to slide over another surface is called_____________________?

Strength of Materials /
The maximum frictional force which comes into play when a body just begins to slide over another surface is called_____________________?

A. limiting friction
B. sliding friction
C. rolling friction
D. kinematic friction
E. dynamic friction

The maximum frictional force which comes into play when a body just begins to slide over another surface is called_____________________? Read More »

Strength of Materials

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal________________?

Strength of Materials /
A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal________________?

A. density of metal can’t be determined
B. metal is twice as dense as water
C. metal will float in water
D. metal is twice as dense as unknown fluid
E. none of the above

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal________________? Read More »

Strength of Materials

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly________________?

Strength of Materials /
A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly________________?

A. 38 m
B. 62.5 m
C. 96 m
D. 124 m
E. 240 m

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly________________? Read More »

Strength of Materials

The C.G. of a solid hemisphere lies on the central radius 3r_______________?

Strength of Materials /
The C.G. of a solid hemisphere lies on the central radius 3r_______________?

A. at distance — from the plane base 3r
B. at distance — from the plane base 3r
C. at distance — from the plane base 3r
D. at distance — from the plane base or
E. at distance — from the plane base

The C.G. of a solid hemisphere lies on the central radius 3r_______________? Read More »

Strength of Materials