Question

Chapter 2 Chemistry motion write notes short

Answer 1

Answer:

Rest

When an object does not change its position with respect to a reference point with elapse of time, the object is said to be in rest.

Motion

If an object changes its position with respect to a reference point with elapse of time, the object is said to be in motion.

To observe the motion of any object; two things are necessary – a reference point and time.

Motion along a straight line

When an object moves along a straight line, the motion of the object is called rectilinear motion. For example; motion of a vehicle along a straight road