
A. increases
B. decreases
C. remain the same
D. decreases and later increases
Correct Answer: Option B
B. decreases
Explanation
The velocity ratio and therefore, the mechanical advantage of an inclined plane system increases as θ decreases and vice-versa.

![A football is kicked at an angle of 45° to the horizontal over a defense line up with a velocity of 15ms−1. Calculate the magnitude of the horizontal velocity of the ball at its highest point [Neglect friction, g = 10ms−2]. A football is kicked at an angle of 45° to the horizontal over a defense line up with a velocity of 15ms−1. Calculate the magnitude of the horizontal velocity of the ball at its highest point [Neglect friction, g = 10ms−2].](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png)