Answer: along the time axis, at zero.
- A along the time axis, at zero
- B a rising straight line
- C a curving parabola shape
- D a vertical straight line
Correct answer: A. along the time axis, at zero
Explanation: Uniform velocity means zero acceleration, so the a–t graph lies on the time axis.
On a velocity-time graph for uniform acceleration, the slope of the line gives the acceleration and the shaded area under the line gives the displacement.
Concept context
Equations of motion, projectile motion, relative velocity. Foundation of all mechanics.