Question

A. Give an example of the following simple machines.
1. Screw
2. Wedge
3. Wheel and axle
B. Fill in the blanks.
1. A
is an inclined plane wound around a rod spirally making a number of turns
on it.
2. The
of a screw is the distance between its adjacent threads.
3. A wedge is a combination of two​

Answer 1

Screw -drill
Wedge-a knife
Wheel and axle-door Bob

1 screw
2pitch
3 screw and inclined plane