Exploring Pressure

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Questions and Answers

Which unit is used to measure area?

  • Meter (m) (correct)
  • Second (s)
  • Newton (N)
  • Kilogram (kg)

Which unit is used to measure force?

  • Newton (N) (correct)
  • Kilogram (kg)
  • Second (s)
  • Meter (m)

What is the unit of pressure?

  • Meter (m)
  • N/m2 (correct)
  • Kilogram (kg)
  • Newton (N)

What happens to the pressure when the force increases?

<p>The pressure increases (A)</p> Signup and view all the answers

What happens to the pressure when the surface area is increased?

<p>The pressure decreases (B)</p> Signup and view all the answers

True or false: The unit of force is N/cm2?

<p>False (B)</p> Signup and view all the answers

True or false: Gas pressure is caused when gas particles hit the walls of their container?

<p>True (A)</p> Signup and view all the answers

True or false: The pressure in a tyre or balloon goes up when more air is pumped in?

<p>True (A)</p> Signup and view all the answers

True or false: The amount of gas in the container does not affect the pressure of a gas?

<p>False (B)</p> Signup and view all the answers

True or false: Higher temperature leads to lower pressure in a gas?

<p>False (B)</p> Signup and view all the answers

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Study Notes

Units of Measurement

  • The unit used to measure area is not specified, but common units include square meters (m²), square centimeters (cm²), and square inches (in²).
  • The unit of force is the Newton (N).
  • The unit of pressure is the Pascal (Pa), which is equivalent to one Newton per square meter (N/m²).

Pressure and Force

  • When the force increases, the pressure also increases.
  • When the surface area is increased, the pressure decreases.

True or False Statements

  • FALSE: The unit of force is not N/cm², it's just N.
  • TRUE: Gas pressure is caused when gas particles hit the walls of their container.
  • TRUE: The pressure in a tyre or balloon goes up when more air is pumped in.
  • FALSE: The amount of gas in the container does affect the pressure of a gas.
  • FALSE: Higher temperature leads to higher pressure in a gas, not lower pressure.

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