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:

None of these

Both the balls undergo an equal change in momentum

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

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

None of these

Both the balls undergo an equal change in momentum

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

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

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Engineering Mechanics
The total motion possessed by a body, is called

Momentum

Weight

Mass

Impulsive force

Momentum

Weight

Mass

Impulsive force

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Engineering Mechanics
Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.

None of these

Do not meet

Either ‘A’ or ‘B’

Meet

None of these

Do not meet

Either ‘A’ or ‘B’

Meet

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Engineering Mechanics
When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

mv2

0.5 mgv2

0.5 mv2

mgv2

mv2

0.5 mgv2

0.5 mv2

mgv2

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Engineering Mechanics
The C.G. of a solid hemisphere lies on the central radius 3r

At distance — from the plane base 3r

At distance — from the plane base

At distance — from the plane base 3r

At distance — from the plane base

At distance — from the plane base 3r

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Engineering Mechanics
The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

P = C - mW

P = m/W + C

P = mW - C

P = mW + C

P = C - mW

P = m/W + C

P = mW - C

P = mW + C

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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 total motion possessed by a body, is called

Engineering Mechanics Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.

Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r

Engineering Mechanics The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

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 total motion possessed by a body, is called

Engineering Mechanics
Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.

Engineering Mechanics
When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

Engineering Mechanics
The C.G. of a solid hemisphere lies on the central radius 3r

Engineering Mechanics
The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)