ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 4 Work and Energy MCQ`s Test

Sr.#	Question	Answer
1	A two Kg block is held 1 m above the floor for 50 seconds, the work done is:	A. Zero B. 10.2 J C. 100 J D. 980 J
2	The work done in moving a body between two points in a conservation field is independent of the:	A. Direction B. Force applied C. Path followed by the body D. Power
3	When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:	A. 2 J B. 0.25 J C. 1 J D. 0.5 J
4	The space around the earth in which its gravitational force acts on a body is called	A. Electric Field B. Gravitational field C. Magnetic field D. Conservative field
5	Power is a :	A. Vector quantity B. Base quantity C. Scalar quantity D. None of these
6	Work done in lower and bucket into the well is:	A. Zero B. Positive C. Negative D. None of these
7	The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is	A. Much more B. Very small C. No amount at all D. None of these
8	Work done is independent of path followed in _______	A. Gravitational field B. Magnetic field C. Electric field D. All of these
9	Area under the force displacement graph gives	A. Power B. Work C. Heat D. Energy
10	Work is a:	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these