Unit C, Ch 3 Review

force

• a push or a pull

• a machine

• energy

• a wheel

machine

• a push or a pull

• something that makes a task easy to do by reducing the amount of force needed to do a job

• a simple machine made up of two or more simple machines

• the fixed point around which a lever turns

simple machine

• a push or a pull

• a machine that is made up of two or more simple machines

• a device that changes the size or direction of a force

• a force that pulls two or more objects towards each other

compound machine

• a simple machine

• a simple machine that makes a task easy to do

• a machine that is made up of two or more simple machines

• a wheel around which a rope or chain is passed

lever

• the fixed point around which a lever turns

• a simple machine made up of a bar that turns, or rotates, around a fixed point

• a wheel around which a rope or chain is passed

• a push or a pull

fulcrum

• a force that pulls two or more objects toward each other

• a simple machine that is made up of two wheels that turn together

• a simple machine with a slanted surface

• a fixed point around which a lever turns

A wheel around which a rope or chain is passed

• force

• lever

• fulcrum

• pulley

A simple machine with a slanted surface

• wheel and axle

• inclined plane

• force

• gravity

A simple machine that is made up of two wheels that turn together

• wheel and axle

• lever

• compound machine

• pulley

a force that pulls two or more objects toward each other

• machine

• fulcrum

• gravity

• pulley