PART - 2 CH - 8 Mechanical Properties of Solids — Physics STD 11 Science — Question

Frictional force between solids operates even when they do not move with respect to each other. Do we have viscous force acting between two layers even if there is no relative motion?

Maximum static friction acting on body is known as _______.

What provides the centripetal force in the following cases?

1. Electron revolving around the nucleus.
2. Earth revolving around the sun.

Physical quantity is found from the area under force-time graph?

What is the nature of P-V diagram for isobaric and isochoric processes?

For most of the surfaces used in daily life, the friction coefficient is less than 1. Is it always necessary that the friction coefficient is less than 1?

If velocity is variable, can the rate of change of velocity remain the same in both magnitude and direction? Give an example.

What range of forces are inter-molecular force?

What is the ratio of the SI to the CGS units of momentum?