200
What is a wedge?
What is a pair of inclined planes placed back-to - back
What is a mechanism?
What is a system in a machine that can modify a motion
What are directions?
What are left , right,up and down
What is a lever?
What is a beam on top of a fixed point, called the fulcrum
What is speed?
What is how fast or slow something moves
What is a complex machine?
What is a machine that is made up of many simple machines
What is an inclined plane?
What is also known as a ramp and is also used to move heavy objects over a vertical obstacle
What is a machine?
What is something that is created to do a physical task, such as building, moving, or lifting
What is a pulley?
What is a simple machine that pulls you up
What is a screw?
What is a cylinder with an inclined plane wrapped around it and can be twisted into an object
What is a Simple Machine?
What is a basic tool that that helps apply force and do work
What is a gear?
What is a special kind of wheel where a toothed wheel turns another toothed wheel
What is a force?
What is something that is a push or pull and can make an object to start moving
What are 2 items that have gears in them?
What are motor bikes and watches
What is a wheel and an axle ?
What is a wheel and an axle is a wheel with a rod attached to its center