1.

A body with constant acceleration always moves along a straight line. A body with constant magnitude of acceleration may not speed up.

Answer»

Statement (I) is true, Statement (II) is true , statement (II) is the CORRECT EXPLANATION for Statement (I).
Statement (I) is true, Statement (II) is true , statement (II) is not the correct explanation for Statement (I).
Statement (I) is true, Statement (II) is false.
Statement (i) is false, Statement (II) is true.

Solution :(d) Projectile motion is a motion with constant acceleration but it is not a straight line motion.
A body with constant magnitude of acceleration may not speed up, this is POSSIBLE in UNIFORM circular motion.


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