5real life examples of newton's law …

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5real life examples of newton's law of motion

Posted by Prince Mehta 5 years, 10 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 5 years, 10 months ago

A person standing in a bus falls backward when bus is start moving suddenly. This happens because the person and bus both are in rest while bus is not moving, but as the bus starts moving the legs of the person start moving along with bus but rest portion of his body has tendency to remain in rest. Because of this person falls backward; if he is not alert.
A person standing in a moving bus falls forward if driver applies brakes suddenly. This happens because when bus is moving, the person standing in it is also in motion along with bus. But when driver applies brakes the speed of bus decreases suddenly or bus comes in the state of rest suddenly, in this condition the legs of the person which are in the contact with bus come in rest while the rest parts of his body have tendency to remain in motion. Because of this person falls forward if he is not alert.
Before hanging the wet clothes over laundry line, usually many jerks are given to the cloths to get them dried quickly. Because of jerks droplets of water from the pores of the cloth falls on the ground and reduced amount of water in clothes dried them quickly. This happens because, when suddenly cloth are made in motion by giving jerks, the water droplets in it have tendency to remain in rest and they are separated from cloths and fall on the ground.
When the pile of coin on the carom-board hit by a striker; coin only at the bottom moves away leaving rest of the pile of coin at same place. This happens because when the pile is struck with a striker, the coin at the bottom comes in motion while rest of the coin in the pile has tendency to remain in the rest and they vertically falls the carom board and remain at same place.
Seat belts are used in car and other vehicles, to prevent the passengers being thrown in the condition of sudden braking or other emergency. In the condition of sudden braking of the vehicles or any other emergency such as accident, the speed of vehicle would decrease or vehicle may stop suddenly, in that condition passengers may be thrown in the direction of the motion of vehicle because of the tendency to remain in the state of motion.
The head of hammer is tightened on a wooden handle by banging the handle against a hard surface. When handle of the hammer is struck against a surface, handle comes in rest while hammer over it's head has tendency to remain in motion and thus after some jerks it tightens over the handle.

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