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 less than the lead ball

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

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

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
The rate of doing work is known as

Kinetic energy

Power

Potential energy

None of these

Kinetic energy

Power

Potential energy

None of these

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
The impact between two lead spheres is approximately equal to an __________ impact.

Inelastic

Elastic

Solid

None of these

Inelastic

Elastic

Solid

None of these

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

[√(4p² - q²)]/6

(4p² - q²)/6

(p² - q²)/4

(p² + q²)/4

[√(4p² - q²)]/6

(4p² - q²)/6

(p² - q²)/4

(p² + q²)/4

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
A force while acting on a body may

All of these

Change its motion

Balance the forces, already acting on it

Give rise to the internal stresses in it

All of these

Change its motion

Balance the forces, already acting on it

Give rise to the internal stresses in it

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then

The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point

Their lines of action are at equal distances

The algebraic sum of their moments about any point in their plane is zero

Their algebraic sum is zero

The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point

Their lines of action are at equal distances

The algebraic sum of their moments about any point in their plane is zero

Their algebraic sum is zero

ANSWER DOWNLOAD EXAMIANS APP

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 rate of doing work is known as

Engineering Mechanics The impact between two lead spheres is approximately equal to an __________ impact.

Engineering Mechanics The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

Engineering Mechanics A force while acting on a body may

Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then

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 rate of doing work is known as

Engineering Mechanics
The impact between two lead spheres is approximately equal to an __________ impact.

Engineering Mechanics
The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is

Engineering Mechanics
A force while acting on a body may

Engineering Mechanics
According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then