Topic Content:
- Verification of Hooke’s Law
- Force-extension graph
- Force-extension graph up to breaking point
Aim: Verification of Hooke’s Law.
Apparatus: Stand and clamp, meter rule, spring, pan, 5 equal masses, Plasticine and optical pin.
The experiment is set up as shown. A pointer P is attached to the spring with plasticine and the hanger suspended on the spring. The pointer level is read from the clamped metre rule.
Read and record the initial reading of the pointer when no mass is added as L0. Add a mass or weight (W1) to the scale pan. Read and record the new position (reading) of the pointer as L1.
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