Question
Physics Question on Motion in a straight line
Check up the only correct statement in the following
A
a body has a constant velocity and still it can have a varying speed
B
a body has a constant speed but it can have a varying velocity
C
a body having constant speed cannot have any acceleration
D
all of the above
Answer
a body has a constant speed but it can have a varying velocity
Explanation
Solution
If velocity is constant then speed must be constant while if speed is constant then direction may change and hence velocity may change.