Question

Effort required to insert a nail into wood is less than that needed to insert a screw into wood​

Answer 1

Answer:

The effort required to insert a screw into wood is less than that needed to insert a nail into wood. A single movable pulley is a pulley that has its axis of rotation fixed. A rotating spindle tap is an example of a wheel-and-axle arrangement. A sewing needle is a wedge type simple machine.

Answer 2

Answer:

because of the area of bottom part

Explanation:

bottom part area of nail is less than the bottom area of screw

other reason is that screw has rings around due to which it take more effort to insert on wood