These questions consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following five reponses
(a) If both Assertion and Reason arecorrect and Reason is the correct explanation of Asserrtion.
(b) If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
(c ) If Assertion is true but Reason is false.
(d) If Assertion is false but Reason is true.
Assertion If a force is applied on a rigid body. Body is in motion but point of application of force is stationary. Then, work done by the force is zero.
Reason If body is moving, then point of application of force should also move.

Explanation

To solve the problem, we need to evaluate the Assertion and Reason statements provided.

### Step-by-Step Solution:

1. **Understanding the Assertion**:
- The assertion states that if a force is applied to a rigid body that is in motion, but the point of application of the force is stationary, then the work done by the force is zero.
- Work done (W) is defined as \( W = F \cdot s \), where \( F \) is the force applied and \( s \) is the displacement of the point of application of the force. If the point of application does not move (i.e., displacement \( s = 0 \)), then the work done \( W = F \cdot 0 = 0 \). Therefore, the assertion is **true**.

2. **Understanding the Reason**:
- The reason states that if a body is moving, then the point of application of the force should also move.
- This statement is not necessarily true. A force can be applied to a body while the point of application is fixed (for example, a force applied to a spring that is anchored to a wall). Thus, the point of application can remain stationary while the body moves. Therefore, the reason is **false**.

3. **Conclusion**:
- Since the assertion is true and the reason is false, the correct response is (c): "If Assertion is true but Reason is false."

### Final Answer:
(c) If Assertion is true but Reason is false.

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