Pressure and Moments in Physics
Explore the concepts of pressure and moments in physics, including how pressure behaves in solids and liquids, as well as how moments make objects turn or rotate. Learn about calculating pressure and moments, and understand the balance of forces in moments. Enhance your knowledge of fundamental physics principles with clear explanations and images.
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Presentation Transcript
Pressure and Moments
Pressure - In solids If a force is applied over a smaller surface area you get a larger pressure. Pressure can be calculated using the following equation: Newtons N m2 Pascals or N/m2
Pressure Pressure - - In liquids In liquids Pressure increases with depth. Pressure acts equally in all directions. Pressure is transmitted through liquids. All hydraulics systems work because the pressure is the same throughout the system.
Moments Moments Moments make things turn or rotate. Moments make things turn or rotate. They are caused by forces but are not forces themselves. The moment will be bigger if: The moment will be bigger if: The force causing the turning effect is bigger. The force causing the turning effect is bigger. The force is further from the pivot. The force is further from the pivot.
Calculating the Calculating the size of a moment size of a moment Moment = Force x Distance Newtons N m Nm Nm
BALANCED Net moment is zero Anti-clockwise Moment = Clockwise Moment
