
Product Details
- Manufacturer
- Edu Lab™
- SKU
- 12737176
About this product
Lever Arm Balance.
Description:
A lever arm balance is a type of mechanical balance that uses the principle of moments (torque) around a pivot point to measure mass. It's a classic instrument in physics and chemistry labs to demonstrate or perform precise mass measurements.
How It Works:
The principle of moments states that for a lever to be in equilibrium, the clockwise moment must equal the anticlockwise moment:
In a lever arm balance:
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There is a beam balanced at a central pivot.
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Objects are placed on pans or attached at varying distances from the pivot.
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You adjust the position or mass until the beam is level, indicating equilibrium.
Main Components:
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Beam/Lever arm – the horizontal bar
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Fulcrum/Pivot – the central support point
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Pans or hangers – to place known and unknown weights
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Pointer – indicates balance when centered
Applications:
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Demonstrating principles of torque and equilibrium
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Measuring mass using standard weights
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Calibration exercises
Advantages:
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Simple and accurate
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No need for power or electronics
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Good for educational purposes
Catalog Number:12737176
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