A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

Engineering Mechanics
A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

The change in momentum suffered by rubber ball is more than the lead ball

Both the balls undergo an equal change in momentum

None of these

The change in momentum suffered by rubber ball is less than the lead ball

The change in momentum suffered by rubber ball is more than the lead ball

Both the balls undergo an equal change in momentum

None of these

The change in momentum suffered by rubber ball is less than the lead ball

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Engineering Mechanics
The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.)

h/4

h/3

h/2

h/6

h/4

h/3

h/2

h/6

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Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?

43864

43832

43865

43892

43864

43832

43865

43892

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Engineering Mechanics
Coplanar concurrent forces are those forces which

Meet at one point and their lines of action also lie on the same plane

Do not meet at one point, but their lines of action lie on the same plane

Meet at one point, but their lines of action do not lie on the same plane

Do not meet at one point and their lines of action do not lie on the same plane

Meet at one point and their lines of action also lie on the same plane

Do not meet at one point, but their lines of action lie on the same plane

Meet at one point, but their lines of action do not lie on the same plane

Do not meet at one point and their lines of action do not lie on the same plane

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Engineering Mechanics
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

Equal to

None of these

Greater than

Less than

Equal to

None of these

Greater than

Less than

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Engineering Mechanics
Moment of inertia is the

Second moment of force

Second moment of area

Second moment of mass

All of these

Second moment of force

Second moment of area

Second moment of mass

All of these

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Engineering Mechanics

Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

Engineering Mechanics The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.)

Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ?

Engineering Mechanics Coplanar concurrent forces are those forces which

Engineering Mechanics The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

Engineering Mechanics Moment of inertia is the

Engineering Mechanics
A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

Engineering Mechanics
The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.)

Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?

Engineering Mechanics
Coplanar concurrent forces are those forces which

Engineering Mechanics
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

Engineering Mechanics
Moment of inertia is the