Machines

2. the transfer of energy to an object by using a force that causes the object to move in the direction of the force (Work = Force x Distance or W = FD).
3. a simple machine that consists of an inclined plane wrapped around a cylinder.
6. the energy of an object that is due to the object’s motion.
7. simple machine that consists of a wheel over which a rope, chain, or wire passes.
10. a device that helps do work by either overcoming a force or changing the direction of the applied force
11. a simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects.
13. a simple machine that is made up of two inclined planes and that moves; often used for cutting.
14. the unit of measurement used to express energy; equivalent to the amount of work done by a force of 1N (newton) acting through a distance of 1 m (meter) in the direction of the force (newton-meter).
15. the unit of measurement used to express power; equivalent to joules per second.
16. a machine made of more than one simple machine

1. a number that tells how many times a machine multiplies force. MA = output force/input force
2. the work done by a machine; the product of the output force and the distance through which the force is exerted
4. the rate at which work is done, or energy is transformed (P = W/t)
5. a simple machine that consists of a bar that pivots at a fixed point called a fulcrum
8. machine a machine that has 100% efficiency; impossible to build due to moving parts/ friction.
9. a simple machine that is a straight, slanted surface, which facilitates the raising of loads; a ramp.
11. the work done on a machine; the product of the input force and the distance through which the force is exerted.
12. the ability to do work