Question
What is the work done if a force of 15 N moves a body by
3 meters in the direction of force? ÂSolution
Work = Force × Displacement  Here, W = 15 × 3 = 45 J Since the motion is in the direction of the force, all force contributes to work.  Joule (J) is the SI unit of work.
7, 15, 31, 79, 271, 1221
6, 22, 76, 314, 1580, 9600
- Find the wrong number in the given number series.
7, 16, 34, 70, 144, 290 Find the wrong number in the given number series.
5, 10, 20, 40, 85, 1601286, 1061, 865, 696, 560, 431, 331
120, 146, 198, 276, 372, 510
14Â Â Â Â 15Â Â Â Â Â 24Â Â Â Â Â Â 50Â Â Â Â Â Â 98Â Â Â Â Â 179
...Find the wrong number in the given number series.
253, 542, 216, 579, 179, 620
Find the wrong number in given number series.
1500, 1450, 1390, 1350, 1240, 1150
Find the wrong number in the given number series.
22, 29, 50, 89, 134, 197