what is motion
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Motion, in physics, change with time of the position or orientation of a body. Motion along a line or a curve is called translation. ... In both cases all points in the body have the same velocity (directed speed) and the same acceleration (time rate of change of velocity).
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❣ What is motion?
✎ In physics, motion is defined as a change in position of an object with respect to time.
✎ Motion of an object can be described in terms of -
- distance
- displacement
- speed
- velocity
- time
- acceleration
✎ We have three equations of motion.
➵ First Equation of Motion :
v = u + a t.
where,
- v is the final velocity
- u is the initial velocity
- a is the acceleration
- t is time
➵ Second Equation of Motion :
s = u t+ 1/2 a t ^2
where,
- s is displacement
- u is the initial velocity
- t is time
- a is the acceleration
➵ Third Equation of Motion :
v^2 = u^2 + 2 a s.
where,
- v is the final velocity
- u is the initial velocity
- a is the acceleration
- s is displacement
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