Posted by Nikunj Varun 1 week, 1 day ago
An object is said to be in motion if it changes its position with respect time and observer.
An object is said to be at rest if it does not changes its position with respect time and observer.
MOTION AND REST ARE RELATIVE TERMS.
That means it all depends upon the observer who is observing the object.
1. A person standing in a moving bus is at rest with respect to bus and is in motion with respect to observer on the ground.
2. A girl swinging in garden is in motion with respect to persons moving in garden and at rest with respect to swing.
Give reasons for the statments- 1.isotopes of an element have similiar chemical properties. 2.what will happen if some elements posses fractional atomic mass
Posted by Abhay Jain Jain 3 years ago
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