how can you identify type of motion by s-t graph ? explain it.
Answers
What is Motion
When a body does not change its position with time, we can say that the body is at rest, while if a body changes its position with time, it is said to be in motion.
Analysing Linear Motion
analysing-linear-motion-1
Linear motion is motion in a straight line.
Non-linear motion is motion that is not in a straight line.
When analysing linear and non-linear motion, distance, displacement, speed, velocity, acceleration and deceleration are some commonly encountered physical quantities.
Terms Used To Define Motion
Distance and Displacement
Speed and Velocity
Acceleration
An object is said to be a point object if it changes its position by distances which are much greater than its size. A point or some stationary object with respect to which a body continuously changes its position in the state of motion is known as origin or reference point.
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Answer:
•Uniform motion of a s-t graph is a straight line inclined at a fixed angle with time axis.
• Non uniform motion of a s-t graph is a curved line with either increasing or decreasing slope depending on whether the speed is increasing or decreasing
•The s-t graph for an object at stationary position,i.e, rest, is a straight line parallel to time axis