8Y+Chae+Lim

GLOSSARY
 * 1) Simple machine: Any of the **basic mechanical** devices for applying a force, such as an inclined plane, wedge, or lever
 * 2) Compound machine: A //**compound machine **// is a machine made of two or more simple machines. A //**compound machine **// also moves in more than one movement.
 * 3) Force multiplier: **Force multiplier ** is a capability that when employed by a combat force, increases chances of mission success.
 * 4) Distance multiplier: A **distance multiplier ** is a tool that increases the amount of distance travelled by decreasing the amount of effort needed to travel a greater distance.
 * 5) Speed multiplier: A **speed multiplier ** is an object which moves at high speed and multiplies that to create more speed with an object it is trying to move.
 * 6) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Mechanical advantage: **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Mechanical advantage **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;"> is the ratio of the output force produced by a machine to the applied input force.
 * 7) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Lever: **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Lever **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;"> is a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other, a kind of simple machine.
 * 8) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">First - The force applied to an object or machine to cause motion.
 * 9) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Second- A lever in which the load lies between the fulcrum and the effort.
 * 10) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Third - A lever in which the effort is placed between the fulcrum and the load.
 * 11) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Inclined plane: **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;"> Inclined plane **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;"> is a sloping ramp up which heavy loads can be raised by ropes or chains.
 * 12) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Wedge:A piece of wood, metal, or some other material having thick at one edge and tapered to thin edge at the other for insertion in a narrow crevice, used for spilling, tightening, securing or levering.
 * 13) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Screw: A **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;">screw **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;"> is a simple machine used to hold things together.
 * 14) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Wheel and axle: **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;">The wheel and axle **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;"> is a simple machine made of a large wheel secured to a smaller wheel which is called an axle.
 * 15) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Pulley: A **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;">pulley **<span style="font-family: Arial,sans-serif; font-size: 10.5pt;"> is a simple machine consisting of at least one axle and rope that can be used to pull a weight.
 * 16) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Gears: A disc or wheel that contains evenly spaced teeth around its perimeter.
 * 17) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Effort: The force applied to an object or machine to cause motion.
 * 18) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Fulcrum: A pivot point of a lever.
 * 19) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Load: A heavy or bulky thing that is being carried or is about to be carried.
 * 20) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Energy: Ability to do work.
 * 21) <span style="font-family: Arial,sans-serif; font-size: 10.5pt;">Spring balance: A balance that measure weight by the tension on a helical spring.