Question

A rolling ball comes to rest, bring the unlike poles of the magnets in contact, pen slips
off your hand, Lift a bucket of water, bring a straw rubbed with paper near the straw
which is not rubbed with paper, carrying a load in bullock cart.

Answer 1

Answer:

(a) Non contact forces

(b) Contact forces

(c) Non Contact Forces

(d) Contact forces

(e) Non Contact Forces

(f) Contact forces

Might be helpful for you.

Explanation: