What is Physics?

Give some examples of physical quantities which can be expressed as the vector product of two vectors.

What are the factors are determined by these forces?

State law of conservation of energy

State the rule which is used to find the direction of torque.

Two bodies of masses m and 4m are placed at a distance r. Calculate the gravitational potential at a point on the line joining them where the gravitational field is zero.

What is meant by 'Evaporation'?

As air is a bad conductor of beat, why do we not feel warm without clothes?

Why does evaporation cause cooling?

Why the amplitude of the vibrating pendulum should be small?