Question

Brick is pulled by a spring balance as shown in the figure. (a) what does the reading of the spring balance when the brick just begins to sideindicate?(b) the brick is now wrapped in a piece of polythene. how does the reading of springbalance change and why?(c) how does the reading of the spring balance change if the brick is wrapped in jutecloth?​

Answer 1

Answer:

the spring of the balance is streched