A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction.

Engineering Mechanics
A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction.

Decrease

Increase

Not be effected

None of these

Decrease

Increase

Not be effected

None of these

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Engineering Mechanics
Which of the following statement is correct in connection with projectiles?

The velocity, with which a projectile is projected, is known as the velocity of projection.

All of these

The angle, with the horizontal, at which a projectile is projected, is known as angle of projection.

A path, traced by a projectile in the space, is known as trajectory.

The velocity, with which a projectile is projected, is known as the velocity of projection.

All of these

The angle, with the horizontal, at which a projectile is projected, is known as angle of projection.

A path, traced by a projectile in the space, is known as trajectory.

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Engineering Mechanics
Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

Twice the area of the triangle

Half the area of the triangle

Area of the triangle

None of these

Twice the area of the triangle

Half the area of the triangle

Area of the triangle

None of these

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Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

πN/180

2πN/60

πN/60

2πN/180

πN/180

2πN/60

πN/60

2πN/180

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Engineering Mechanics
The velocity ratio of a single purchase crab winch can be increased by

Increasing the radius of the load drum

Increasing the number of teeth of the pinion

Increasing the length of the handle

All of these

Increasing the radius of the load drum

Increasing the number of teeth of the pinion

Increasing the length of the handle

All of these

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Engineering Mechanics
When the spring of a watch is wound, it will possess

Strain energy

Kinetic energy

Electrical energy

Heat energy

Strain energy

Kinetic energy

Electrical energy

Heat energy

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Engineering Mechanics

Engineering Mechanics Which of the following statement is correct in connection with projectiles?

Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by

Engineering Mechanics When the spring of a watch is wound, it will possess

Engineering Mechanics
Which of the following statement is correct in connection with projectiles?

Engineering Mechanics
Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

Engineering Mechanics
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

Engineering Mechanics
The velocity ratio of a single purchase crab winch can be increased by

Engineering Mechanics
When the spring of a watch is wound, it will possess