Question

Chapter-simple machine

an iron nail having threads along its cylindrical surface is___​

Answer 1

Answer:

(i) A cylindrical magnet has only one pole. ... (iv) Maximum iron filings stick in the middle of a bar magnet when it is brought near them. (v) Bar magnets always point towards the North−South direction. (vi) A compass can be used to find the East−West direction at any place.

Answer 2

Explanation:



A screw is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) to a linear force. It is one of the six classical simple machines. The most common form consists of a cylindrical shaft with helical grooves or ridges called threads around the outside.