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Questions and Answers
How does an increase in the area over which a force is distributed affect pressure?
How does an increase in the area over which a force is distributed affect pressure?
- Has no effect on pressure
- Decreases pressure (correct)
- Causes the force to disappear
- Increases pressure
What is the relationship between force and pressure?
What is the relationship between force and pressure?
- Force causes pressure (correct)
- Force and pressure are directly proportional
- Force and pressure are inversely proportional
- Force and pressure are unrelated concepts
What is the SI unit of pressure?
What is the SI unit of pressure?
- Newton
- Joule
- Watt
- Pascal (correct)
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Study Notes
Pressure and Force
- An increase in the area over which a force is distributed results in a decrease in pressure, as the force is spread out over a larger area.
- Pressure is directly proportional to force, but inversely proportional to the area over which the force is applied.
- The relationship between force and pressure can be mathematically expressed as pressure = force / area.
Units of Pressure
- The SI unit of pressure is the Pascal (Pa), which is defined as one Newton per square meter (N/m²).
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