Question

classify the following into contact forces and non contact forces a rolling ball comes to rest , bring the unlike poles of the magnets in contact, pen slip of your hand , lift a bucket of water , bring a straw rubbed with paper near a straw which is not rubbed with paper , carrying a load in bullock cart​

Answer 1

( contact force )

• bring the unlike poles of the magnets in contact.
• lift a bucket of water.
• bring a straw rubbed with paper.
• carrying a lode in bullock cart.

( non contact force )

• rolling ball comes to the rest.
• pen slip of your hand.