What is meant by uniform motion ? Can you think of an example of a body in uniforim motion ?
A body has a uniform motion, if if thavels equal distances in equal intervals of time. no mattor how small these time intervals mav be example, a car running at constant speed of say, $10$ metres per second, will cover equal distances of $10$ metres, every second, so its motion will be uniform. The distance$-$time graph for uniform motion is a straight line.
State the meaning of uniform circular motion.
Starting from rest at the top of an inclined plane a body reaches the bottom of the inclined plane in $4$ second. In what time does the body cover one$-$fourth the distance starting from rest at the top ?
Name a physical quantity that essentially changes as a body moves.
Write true or false for the following statements
A quantitv which can be represented completely by magnitude alone is called a vector quantity.
A cyclist driving at $5\, m s ^{-1}$ picks a velocity of $10\, m s ^{-1}$ over a distance of $50\, m$. Calculate $(i)$ acceleration $(ii)$ time in which the cyclist picks up the above velocity.