Question

B 1. Give one example for each of the following uses of machine:
(i) To change the direction of force
To change the point of application of force
To obtain gain in speed​

Answer 1

Answer:

(i) Rotating the wheel of a cycle by applying force on the paddle with the help of chain.

(ii) Lifting a car with a jack.

(iii) Lifting a bucket full of water from the well using a single fixed pulley.

Explanation:

hehehehe this is so easy broooooooooooo hehehehe

Answer 2

Answer:

fir answer check out the above attachment