Questions: How does air resistance affect the motion of falling objects?

Transcript text: How does air resistance affect the motion of falling objects?

Solution

Solution Steps

Step 1: Understanding the Question

The question asks how air resistance affects the motion of falling objects. We need to determine which of the given options correctly describes this effect.

Step 2: Analyzing the Options

Option a: It increases their acceleration.
Option b: It reduces their acceleration.
Option c: It has no effect on their motion.
Option d: It increases their mass.

Step 3: Applying Knowledge of Physics

Air resistance, also known as drag, opposes the motion of falling objects. This opposition force acts in the direction opposite to the motion, thereby reducing the net force acting on the object. According to Newton's second law, \( F = ma \), a reduction in net force results in a reduction in acceleration.

Final Answer

\(\boxed{\text{b. It reduces their acceleration}}\)

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