Mechanics

IMPORTANT

Mechanics: Overview

This topic covers concepts, such as, Force, Motion & Laws of Motion etc.

Important Questions on Mechanics

EASY
IMPORTANT

Given, the tension in tight side T1 = 80 N, the tension in slack side T2 = 40 N  and the angle of lap A = 45°. Find the coefficient of friction µ?

MEDIUM
IMPORTANT

A clutch is usually designed to transmit maximum torque which is _____.

HARD
IMPORTANT

SIMO chart are used for _____.

EASY
IMPORTANT

Dummy coils are used for _____.

EASY
IMPORTANT

While performing experiments with water, Jyoti observed that an empty steel bowl floats but a small iron nail sinks in water. This can be explained by the fact that _____.

MEDIUM
IMPORTANT

A spring is kept in the horizontal position with length 60 cm. The undeformed length of the spring is 40 cm and stiffness of the spring is 20 N/cm, find the force in the spring.

MEDIUM
IMPORTANT

If the efficiency of a machine is less than 50 percent, it is known as _____.

EASY
IMPORTANT

If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.1 kg/cm2, the pressure at a depth of 2.5 m, is

EASY
IMPORTANT

The most common example of periodic motion is _____.

EASY
IMPORTANT

While performing an experiment with water, a steel bowl floats but a small iron nail sinks in water. This can be explained by the _____.

EASY
IMPORTANT

Equalizer rings are used in which of the followings?

MEDIUM
IMPORTANT

______ is the external agency applied on a body to change its state of rest or uniform motion.

EASY
IMPORTANT

 Force of attraction between molecules of the same substance is called __________________.

EASY
IMPORTANT

Which one of the following statements about gravitational force is NOT correct?

HARD
IMPORTANT

If the length of the Equator is about 40,000 km and the velocity of rotation is about 1700 km per hour, what would be the velocity of rotation at the Pole?

EASY
IMPORTANT

How is the kinetic energy of a moving object affected if the net work done on it is positive?

EASY
IMPORTANT

Along a streamline flow of fluid_____.

MEDIUM
IMPORTANT

Which one of the following is not a contact force?

EASY
IMPORTANT

Which one of the following statements is correct?

MEDIUM
IMPORTANT

Pressure is a scalar quantity because _____.