The amount of work is calculated by multiplying force times _____.
A _____ is a device that is thick at one end and tapers to a thin edge at the other end.
_____ equals the amount of work done on an object in a unit of time.
One joule of work done in one second is one _____ of power.
Example of first-calls levers include _____ and scissors.
A machine that combines two or more simple machines is called a _____ machine.
The efficiency of a machine is expressed as a _______.
An inclined plane allows you to exert your input force over a _____ distance.
A ____ is a simple machine made of grooved wheel with a rope or cable wrapped around it.
_____-class levers increase distance, but do not change the direction of the input force.
A _____ pulley is attached directly to the object you are attempting to move.
When you do work, the force you exert is called the ______ force.
You can determine the ideal mechanical advantage of an inclined plane by ______ the length of the incline by its height.
The fixed point that a lever pivots around is called a _____.
Combining fixed and movable pulleys makes a pulley system called a block and _____.
A simple machine made of two connected objects that rotate about a common axis is a wheel and ______.
A ______ plane is a flat, sloped surface.
______-class levers change the direction of the input force.
A _____ is a rigid bar that is free to pivot or rotate, on a fixed point.
The SI unit for work is the newton-meter which is also called a _____.
With a wheel and axle, the object with the larger radius is the _______.
Power is calculated by dividing the amount of work done by the amount of ____ it takes to do the work.