1.

Mathch Column -I with Column-B:

Answer» Correct Answer - `ararrq,r;brarrp;s;crarrq,r;drarrq,r`
(a) As the body is accelrating, tis velocity increases. Therefore, the motion will be non-uniform linear motion.
`therefore (a)rarr(q,r)`
(b) As velocity `(v=72//6=12ms^(-1))` remains the same, the motion is univorm linear motion. Also x-t graph is a straight line inclined to x-axis.
`therefore (b)rarr(p,s)`
(c) When body is thrown vertically upward, the velocity decreases (while going upward) and then increases (while coming downward). Therefore, the motion is non-uniform linear motion.
The motion is under the action of force of gravity, the `therefore (c)rarr(q,r)`
(d) When a bu llet is fired into air, it is an example of non-linear motion. Also,linear momentum does not remain conserved as the motion is under the action of force of gravity.
`therefore (d)rarr(q,r)`


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