What is the magnitude of the resultant force when two forces act in same direction?
When two forces act in the same direction, the resultant force increases. The magnitude of one adds up with the magnitude of second one.
Match the following option:
| A. Contact force | (i) Non-contact force |
| B. Force | (ii) Force on unit area |
| C. Gravity | (iii) Push or Pull |
| D. Gravity | (iv) Muscular force |
| E. Pressure | (v) Strength of force |
What is the requirement for a force to come into play?
Name the type of forces involved in the following :
(a) A ball launched in air hitting the ground
(b) A bicycle coming to rest when pedalling is stopped.
(c) A horse pulling a cart
(d) A plastic comb rubbed in dry hair picking up tiny pieces of paper
(e) A sticker attached on a refrigerator without glue
Define 'force'.
