What simple machine is a wheel that carries a rope, cord, cable, chain, or belt on its rim.
A pulley!
What simple machine is used in theatre curtains?
A pulley!
What two simple machines are in a pair of scissors?
A lever and a wedge!
What is force?
A push or pull that can cause movement!
What simple machine rolls, making work easier by reducing friction?
A wheel and axle!
What simple machine is an axe?
A wedge!
Name two simple machines used by a shovel!
A wedge and a lever!
What is a machine?
A device that makes work easier
What simple machine rotates around a fulcrum, lessening the required force by increasing the distance used to move it.
A lever!
What simple machine is used in a pizza cutter?
A wheel and axle!
Name three simple machines found on a bike!
A pulley, a lever, and a wheel and axle!
What is a mechanism?
A system or group of parts that work together to produce movement.
What simple machine is a ramp, increasing the distance used to move a force and lessening the required force?
An inclined plane!
What simple machine is a staircase?
An inclined plane!
Name three simple machines in a wheel barrow!
An inclined plane, a wheel and axle, and a lever!
There is movement when forces are __________.
unbalanced
What two simple machines are types of inclined planes?
A screw and a wedge!
What simple machine is used on a jar lid?
A screw!
Name three simple machines in a can opener!
A wedge, a wheel and axle, and a lever!
What is the difference between rotary and linear motion?
Rotary motion is when something rotates in a circular motion, and linear motion is when something moves in a straight line.