If the body falls freely under gravity, then the gravitational acceleration is taken as

Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

+9.8 m/s2

-9.8 m/s2

-8.9 m/s2

+8.9 m/s2

+9.8 m/s2

-9.8 m/s2

-8.9 m/s2

+8.9 m/s2

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Engineering Mechanics
The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is

cosecθ

tanθ

cosθ

sinθ

cosecθ

tanθ

cosθ

sinθ

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Engineering Mechanics
A force while acting on a body may

Give rise to the internal stresses in it

All of these

Balance the forces, already acting on it

Change its motion

Give rise to the internal stresses in it

All of these

Balance the forces, already acting on it

Change its motion

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Engineering Mechanics
The term 'Centroid' is

None of the listed here

The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

The same as centre of gravity

The point of suspension

None of the listed here

The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

The same as centre of gravity

The point of suspension

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Engineering Mechanics
Which is the correct statement about law of polygon of forces?

If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium

If a polygon representing forces acting at a point is closed then forces are in equilibrium

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium

If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium

If a polygon representing forces acting at a point is closed then forces are in equilibrium

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium

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Engineering Mechanics
In order to double the period of simple pendulum, the length of the string should be

Doubled

Halved

Quadrupled

None of these

Doubled

Halved

Quadrupled

None of these

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Engineering Mechanics

Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as

Engineering Mechanics The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is

Engineering Mechanics A force while acting on a body may

Engineering Mechanics The term 'Centroid' is

Engineering Mechanics Which is the correct statement about law of polygon of forces?

Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be

Engineering Mechanics
If the body falls freely under gravity, then the gravitational acceleration is taken as

Engineering Mechanics
The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is

Engineering Mechanics
A force while acting on a body may

Engineering Mechanics
The term 'Centroid' is

Engineering Mechanics
Which is the correct statement about law of polygon of forces?

Engineering Mechanics
In order to double the period of simple pendulum, the length of the string should be