600N of forward force is required to keep a bicycle moving at a constant velocity. How much resistive force does air friction apply on the bike?

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**Understanding Forces on a Bicycle**

In order to maintain a bicycle moving at a constant velocity, a forward force of 600 Newtons (N) is necessary. This scenario raises the question: how much resistive force does air friction (also known as drag) exert on the bicycle?

**Explanation:**

- **Constant Velocity:** When an object moves at a constant velocity, it means that the net force acting on it is zero. This implies that the forward force is balanced by the resistive forces acting in the opposite direction.
  
- **Resistive Force:** In this context, the resistive force is the air friction acting on the bike. Since the forward force is 600N, the resistive force due to air friction must also be 600N to maintain the constant velocity. This balance ensures that the forces are in equilibrium.

- **Application:** Understanding this concept helps in analyzing motion and the impact of forces, which is crucial in physics and engineering contexts such as designing bicycles to reduce drag and improve efficiency.
Transcribed Image Text:**Understanding Forces on a Bicycle** In order to maintain a bicycle moving at a constant velocity, a forward force of 600 Newtons (N) is necessary. This scenario raises the question: how much resistive force does air friction (also known as drag) exert on the bicycle? **Explanation:** - **Constant Velocity:** When an object moves at a constant velocity, it means that the net force acting on it is zero. This implies that the forward force is balanced by the resistive forces acting in the opposite direction. - **Resistive Force:** In this context, the resistive force is the air friction acting on the bike. Since the forward force is 600N, the resistive force due to air friction must also be 600N to maintain the constant velocity. This balance ensures that the forces are in equilibrium. - **Application:** Understanding this concept helps in analyzing motion and the impact of forces, which is crucial in physics and engineering contexts such as designing bicycles to reduce drag and improve efficiency.
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