In a force of 9 N is acting on a body, then find instataneous power supplied to the body when its velocity is 5m/s in the direction of force

Options

A. 195 watt
B. 45 watt
C. 75 watt
D. 100 watt

Answer

To solve the problem of finding the instantaneous power supplied to a body when a force is acting on it, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Given Values:**
- Force (F) = 9 N
- Velocity (v) = 5 m/s

2. **Understand the Formula for Power:**
- The formula for instantaneous power (P) when a force is acting on an object is given by:
\[ P = F \cdot v \]
- Here, \(F\) is the force applied, and \(v\) is the velocity of the object in the direction of the force.

3. **Substitute the Values into the Formula:**
- Now, substitute the values of force and velocity into the power formula:
\[ P = 9 \, \text{N} \times 5 \, \text{m/s} \]

4. **Calculate the Power:**
- Perform the multiplication:
\[ P = 45 \, \text{W} \]

5. **Conclusion:**
- The instantaneous power supplied to the body is 45 Watts.

### Final Answer:
The instantaneous power supplied to the body is **45 Watts**.

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