Engineering Mechanics
The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

Principle of independence of forces
Principle of transmissibility of forces
Principle of resolution of forces
None of these

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
Angle of friction is the

Angle between normal reaction and the resultant of normal reaction and the limiting friction
Ratio of limiting friction and normal reaction
The ratio of minimum friction force to the friction force acting when the body is just about to move
The ratio of minimum friction force to friction force acting when the body is in motion

ANSWER DOWNLOAD EXAMIANS APP

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
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

ANSWER DOWNLOAD EXAMIANS APP