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 side
indicate?
(b) the brick is now wrapped in a piece of polythene. how does the reading of spring
balance change and why?
(c) how does the reading of the spring balance change if the brick is wrapped in jute
cloth?​

Answer 1

Answer:

What is the time of the hastily