click below
click below
Normal Size Small Size show me how
S8P3.c
demonstrate the effect of simple machines on work
Question | Answer |
---|---|
Work | The transfer of energy to an object by using a force that causes the object to move in the direction of the force |
Machine | A device that helps do work either by overcoming a force or changing the direction of applied force |
Inclined Plane | A simple machine that is straight, slanted surface, which facilitates the raising of loads; a ramp |
Wedge | A simple machine that is made up of two inclined planes wrapped cylinder |
Screw | A simple machine that consists of an inclined plane wrapped around a cylinder |
Lever | A simple machine that consists of a bar that pivots at a fixed point called a fulcrum |
Pulley | A simple machine that consists of a wheel over which a rope, chair, or wire passes |
Wheel & Axle | A simple machine consisting of two circular objects of different sizes; the wheel is the large of the two circular objects |