A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

43864

44052

43833

43839

43864

44052

43833

43839

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Applied Mechanics and Graphic Statics
A system of coplanar forces acting on a rigid body can be reduced to

One force only

One force and one couple only

One couple only

None of these

One force only

One force and one couple only

One couple only

None of these

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Applied Mechanics and Graphic Statics
A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is

less than (1/3) sin 6

less than (1/3) tan 0

less than (2/3) tan 0

less than (2/3) sin 6

less than (1/3) sin 6

less than (1/3) tan 0

less than (2/3) tan 0

less than (2/3) sin 6

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Applied Mechanics and Graphic Statics
A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

Floor and wall both are rough surfaces

Floor is rough and the wall is smooth

Floor is smooth and the wall is rough

Floor and wall both are smooth surfaces

Floor and wall both are rough surfaces

Floor is rough and the wall is smooth

Floor is smooth and the wall is rough

Floor and wall both are smooth surfaces

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Applied Mechanics and Graphic Statics
Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is

3 sec

2 sec

4 sec

5 sec

3 sec

2 sec

4 sec

5 sec

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Applied Mechanics and Graphic Statics
The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is

10.8 t

10.2 t

10.4 t

10.6 t

10.8 t

10.2 t

10.4 t

10.6 t

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics A system of coplanar forces acting on a rigid body can be reduced to

Applied Mechanics and Graphic Statics A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is

Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is

Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
A system of coplanar forces acting on a rigid body can be reduced to

Applied Mechanics and Graphic Statics
A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is

Applied Mechanics and Graphic Statics
A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

Applied Mechanics and Graphic Statics
Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is

Applied Mechanics and Graphic Statics
The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is