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Science vocabulary
Kayla Guidroz
Question | Answer |
---|---|
the pivot point around which a lever can turn | Fulcrum |
energy that an object has because of its motion or its position | Mechanical Advantage |
the energy an object has because of its motion | Kinetic Energy |
energy stored due to position or configuration | Potential Energy |
a simple device without moving parts that changes the magnitude or direction of a force | Simple Machine |
a force applied to an object over a distance | Work |
one of the simple machines | Wheel |
a simple machine consisting of a solid bar that rotates around a pivot point; used to lift objects | Lever |
a simple machine consisting of a rope that is wrapped around a wheel; can be used to help lift heavy objects | Pulley |
a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage. | Wheel and axle |
an object with a flat, tilted surface; a simple machine that helps things roll or slide upward off of the ground | inclined plane |
the ratio of the amount of work done per unit of time, or the rate at which energy is transferred or transformed | power |
a simple machine that can be used to split objects apart, hold objects in place, or lift objects from the ground; consists of two inclined planes joined together | wedge |
a simple machine made of a shaft with grooves that wrap around it going from top to bottom | screw |
A machine consisting of two or more simple machines operating together, as a wheelbarrow consisting of a lever, axle, and wheel. | compound machine |