Derive the expression for the gravitational potential energy of a mass m at a height h above the Earth’s surface.
Define kinetic energy and derive its expression in terms of mass and velocity.
State Newton’s third law of motion. Explain how this law applies to the motion of a rocket.
A particle starts from rest and accelerates uniformly at 5 meters per second squared. Find the distance covered by the particle in 10 seconds.
Explain the importance of dimensional analysis in physics. How can it be used to check the correctness of an equation?
Write a note on the role of cooperatives in providing food and related items.
Write notes on:
(a) Minimum support price
(b) Buffer stock
(c) Issue price
(d) Fair price shops
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