Athlete's foot is caused by a microscopic fungus that lives on dead tissue of the hair, toenails, and outer skin layers. There are at least four kinds of fungus that can cause athlete's foot.
Work. In order to accomplish work on an object there must be a force exerted on the object and it must move in the direction of the force. Energy is required to do work and the basic SI unit of energy is the joule, the amount of energy required to exert a force of 1 Newton through a distance of 1 meter (1 joule = 1 newton meter).
Name: Date: Power 4.1. In science, work is defined as the force needed to move an object a certain distance. The amount of work done. per unit of time is called power. Suppose you and a friend are helping a neighbor to reshingle the roof of his home. You each carry 10.0 bundles. of shingles weighing 300. newtons apiece up to the roof which is 7.00 meters from the ground.