Engineering Mechanics
In order to determine the effects of a force, acting on a body, we must know

Magnitude of the force
All of these
Nature of the force i.e. whether the force is push or pull
Line of action of the force

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
The moment of a force

Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken
Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force
All of these
Is the turning effect produced by a force, on the body, on which it acts

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
Which of the following statement is incorrect?

A machine whose efficiency is 100% is known as an ideal machine
The velocity ratio of a machine is the ratio of load lifted to the effort applied
A force acting in the opposite direction to the motion of the body is called force of friction
The ratio of the limiting friction to the normal reaction is called coefficient of friction

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Engineering Mechanics