Correct option is B
The correct answer is (b)
B. Ball will travel with more speed: When top spin is applied to a ball, it causes the ball to rotate forward, with the top of the ball moving in the direction of travel. This rotation creates a downward force known as the Magnus effect, which results in increased air pressure on the top of the ball and decreased air pressure on the bottom. As a result, the ball experiences a downward force, causing it to curve downward and accelerate faster through the air. This increased speed is particularly noticeable in sports such as tennis, table tennis, and soccer, where players use top spin to generate greater ball speed and trajectory.
C. Ball will travel with less height: when top spin is applied to a ball, the Magnus effect also causes the ball to dive or drop more rapidly as it travels through the air. This downward movement, combined with the increased speed, can result in a flatter trajectory and reduced overall height of the ball’s flight path compared to a ball without top spin.
Therefore, while top spin enhances the speed of the ball, it can also lead to a decrease in the height of its trajectory.