Work is done when a force moves an object some distance. Newton defined force as mass times acceleration. Acceleration is the rate at which velocity changes. What are the units of work?

Question

Quizplus · Accepted Answer

Work is defined as force times distance, and force is defined as mass times acceleration. Acceleration is the rate of change of velocity, which is distance over time. Therefore, the units of work are mass times distance over time, which is kg m^2/s^2.

Work Is Done When a Force Moves an Object Some