WORK
WEIGHT LIFTING
When a force acts upon an object to cause displacement, work was done on the object. Work depends on force and displacement or distance. Work relates to weightlifting in martial arts. A person does work when they lift a barbell or a dumbell. There is a force exerted upon the weights to cause the object to be displaced. Therefore, work is done. 1.) What is the unit of work? The joule 2.) If a girl lifts weights with a force of 15N to the other side of the room which is 10 meters, how much work was done? 150 j |