Q1. A body moves with constant velocity. What is its acceleration?
A) Zero
B) Constant
C) Increasing
D) Decreasing
ā
If velocity is constant, acceleration is zero.
Q2. Unit of velocity is?
A) m/s
B) m/sĀ²
C) km
D) N
ā
Velocity = displacement / time ā unit m/s.
Q3. If velocity is zero, acceleration can be?
A) Zero
B) Non-zero
C) Negative only
D) None
ā
Even at zero velocity, acceleration can exist.