Inertia experienced in moving vehicle

madugundurukmini By madugundurukmini, 7th Apr 2015 | Follow this author | RSS Feed | Short URL http://nut.bz/j8t316k3/
Posted in Wikinut>Guides>Science>Physical Forces


Sir. Isaac Newton studied the motion of objects and the factors related to the change in velocity.

When brakes are suddenly applied, the bus comes to rest

A marble at rest can not move until it is pushed. There is an external physical quantity of energy that makes the marble to move. Similarly a moving marble can also be stopped. A fast moving bus can made slow. It is possible to change the speed of auto mobiles whenever required. The physical quantity we are referring to is force. The word force is used in our daily life under different context. Consider the the following the statements `the cricketer would have scored a sixer if he were to hit the ball with a great force'.

`If the ball player has kicked the ball with a greater force he would have scored a goal' in these two examples there is reference to the amount of force.

Force is physical quantity that changes the state of rest of a body or that changes the velocity of a body.

Imagine a car at rest. It can be pushed by a group of three or four persons. If the car is pushed then it starts moving. Its speed or direction of motion depends upon the force and direction of application of force.

Sir. Isaac Newton studied the motion of objects and the factors related to the change in velocity. He identified certain relationships and stated theme in the from of laws.
When we are sitting inside a moving bus, our entire body will also be moving with the speed of the bus. When brakes are suddenly applied, the bus comes to rest. The part of the body that is in contact with the bus also comes to rest. However, the part of our body which is not in contact with bus has a tendency to move in the direction of the bus before coming to rest. so we lean forward. Similarly when a bus at rest starts moving the part our body which is not in contact with the bus has a tendency to remain at stop ( none move) . So we came back by the pushed.

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Experienced, Inertia, Moving Vehicle

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