Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 7 - No. 18)
What does a downward-sloping line represent on a speed-time graph?
Constant speed
Increasing speed
Decreasing speed (deceleration)
The object is stationary
ব্যাখ্যা
A decreasing speed or deceleration is represented by a line slanting downwards.