In each of the following examples certain quantity of work 'W' is done.1. The point of application of a force of (50i + 60j + 80k) in kN units moves through a distance given by (6i + 5j + 2.5k) in metres.2. A pump raises 2m3 of water through a height of 20 m (Take g = 10 m/s2).3. A shaft delivering a torque = 200 kNm makes 0.75 revolution.4. A couple (30i - 20j + 100k) in kNm units acting on a body rotates it through an angular displacement of (2i + 3j + 6k) radians.The correct sequence of these quantities of work 'W' arranged in order of their increasing magnitude is

In each of the following examples certain quantity of work 'W' is done

1.	In each of the following examples certain quantity of work 'W' is done.1. The point of application of a force of (50i + 60j + 80k) in kN units moves through a distance given by (6i + 5j + 2.5k) in metres.2. A pump raises 2m3 of water through a height of 20 m (Take g = 10 m/s2).3. A shaft delivering a torque = 200 kNm makes 0.75 revolution.4. A couple (30i - 20j + 100k) in kNm units acting on a body rotates it through an angular displacement of (2i + 3j + 6k) radians.The correct sequence of these quantities of work 'W' arranged in order of their increasing magnitude is
A.	1, 4, 2, 3
B.	2, 4, 1, 3
C.	3, 2, 1, 4
D.	2, 3, 4, 1
Answer» C. 3, 2, 1, 4

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