Question

1. Derive work=vt
2. 1.w
h=---joule
​

Answer 1

Answer:

Explanation:

2.. kWh is a commercial unit.

1kWh = 1kW x 1h

1kWh = 1000 W x 3600 s

1 kWh =1000 js-1 x 3600 s

1 kWh = 3.6 x 106J

1.When a force F displaces a body through a distance s in the direction of the applied force, then the work done W on the body is given by the expression:

Work done = Force × Displacement

W = F × s