20 Topics.
0 of 5 Concepts Done
Asked in UPSC PrelimsUPSC 1996UPSC 1997UPSC 1998
What to Study: Understand which quantities are scalar and which are vector, with examples. How does speed differ from velocity, and distance from displacement? Remember the SI units of velocity and acceleration.
Asked in UPSC PrelimsUPSC 1997UPSC 2000
What to Study: What is momentum, and what is its SI unit? Understand the law of conservation of momentum. Be able to explain, with everyday cases such as escaping from a frictionless frozen lake or the recoil of a gun, how this law works.
Asked in UPSC PrelimsUPSC 1995UPSC 1996UPSC 1997UPSC 1999UPSC 2003UPSC 2004
What to Study: Understand what force is and its unit. Know the three laws of motion, with one daily-life example for each. Be able to explain how a rocket rises, and how force relates to the rate of change of momentum.
Asked in UPSC PrelimsUPSC 2013
What to Study: What is friction, and what is its unit? How do static, sliding and rolling friction differ? Be able to explain why ball bearings make motion smoother.
Asked in UPSC PrelimsUPSC 1997UPSC 2003UPSC 2004
What to Study: Which of the two forces is real and which is only apparent, and in which direction does each act? Remember the everyday uses: separating cream from milk, vehicles skidding on curves, satellites, the shape of the Earth and centrifuges. Which forces together cause tides?