Question

what do you mean by work . give an example of negative work done .what what do you mean by work give an example of negative work then what is the work done increasing the velocity of a car from 18 km per hour 19 km per hour give ma South Alka is 2000 kg

Answer 1

work is said to be done when some force is applied and there is some displacement
negative work is done by frictional force on a moving car