Question

Differnce between.
i. First class lever and second class lever.
ii. Fixed pulley and movable pully.
iii. Inclined plane and screw.
pls ans all of the questions
about two points each

Answer 1

Answer:

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Differnce between are :

ǫᴜᴇsᴛɪᴏɴ (i)

First class lever and second class lever.

ᴀɴsᴡᴇʀ

First class lever -The fulcrum is located between the input force and the load.

Second class lever - The load is located between the fulcrum and the input force.

ǫᴜᴇsᴛɪᴏɴ (ii.)

Fixed pulley and movable pully.

ᴀɴsᴡᴇʀ

A good example of a fixed pulley is a flag pole: When you pull down on the rope, the direction of force is redirected by the pulley, and you raise the flag. A movable pulley is a pulley that is free to move up and down, and is attached to a ceiling or other object by two lengths of the same rope.

ǫᴜᴇsᴛɪᴏɴ (iii.)

Inclined plane and screw.

ᴀɴsᴡᴇʀ

An inclined plane makes work easier by breaking an upward or downward movement into smaller increments. Examples of inclined planes include slides, ramps, and hills. ... A screw is like an inclined plane wrapped around a cylinder. A screw turns a small rotational force into a larger forward driving force.

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