Which image shows an example of a wheel and axle?

Which image shows an example of a wedge?

Which image shows an example of a pulley?

Which image shows an example of a screw?

Gravity is a type force.

A push or a pull

All the forces acting on an object

The force that pulls objects towards the center of the Earth.

The net forces on an object are zero

A sloped surface

Two inclined planes back to back, used to split objects

two wheels of different sizes that pivot around the same point

a wheel around which a rope or chain passes

an appliance that makes work easier by increasing the effect of a force or by changing the direction of the force

the supporting point on which a lever rests

the movement of a force through a distance

force caused by one object rubbing against another

made up of two or more simple machines

Which image shows an example of a lever?