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The direction of the force exerted on a ...

The direction of the force exerted on a surface by a liquid at rest is

A

a. normal to the surface

B

b. parallel to the surface

C

c. tangential to the surface

D

d. `30^@` to the surface

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To solve the question regarding the direction of the force exerted on a surface by a liquid at rest, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Scenario**: - We have a container filled with a liquid (e.g., water). The liquid is at rest, meaning it is not flowing or moving. 2. **Identifying the Surface**: - Consider a flat surface of the container, such as the bottom or the sides. The force exerted by the liquid will act on this surface. 3. **Analyzing the Force Direction**: - The force exerted by a liquid at rest acts perpendicular (normal) to the surface of the container. This is due to the pressure exerted by the liquid, which increases with depth. 4. **Pressure Variation**: - The pressure in a liquid at rest increases with depth. Therefore, the force on the surface will vary depending on the depth of the liquid. However, regardless of the depth, the direction of the force remains normal to the surface. 5. **Conclusion**: - Since the force exerted by the liquid on any surface is directed perpendicular to that surface, the correct answer is that the force is normal to the surface. ### Final Answer: The direction of the force exerted on a surface by a liquid at rest is **normal to the surface**. ---
To solve the question regarding the direction of the force exerted on a surface by a liquid at rest, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Scenario**: - We have a container filled with a liquid (e.g., water). The liquid is at rest, meaning it is not flowing or moving. 2. **Identifying the Surface**: ...
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