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Hooke’s Law of spring show total amount of energy which are absorbed in spring
Typology: Lab Reports
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1. Objectives
The main objective of this experiment is to show Hooke’s Law of spring, calculate the total energy absorbing in the spring.
2. Equipment
Tripod Base Barrel Base Support Rod, square, l=1000mm Right Angle Clamp Cursor, 1 pair Weight Holder f. Slotted Weights Slotted Weight, 10g, black Slotted Weight, 10g, silver bronze Slotted Weight, 50g, black Slotted Weight, 50g, silver bronze Helical Spring 3 N/m Helical Spring 20 N/m Silk Thread, 200m Meter Scale demo l=1000mm Holding Pin Square section rubber strip, l 10m
Figure 4.1 Experimental set up
For thin spring: 𝑘𝑎𝑣𝑔 = … … ... For thick spring: 𝑘𝑎𝑣𝑔 = … … ..
Spring Mass(kg) Length of the spring(m)
Elongation (m)
Force (m * g)
k = 𝐹𝑖 ⁄ ∆𝐿𝑖 (kg*g / m) k^ av Thin 0, Thin 0, Thin 0, Thick 0, Thick 0. Thick 0.
𝑘𝑒𝑞 from 𝑘𝑒𝑞 = (^) ∆𝐿𝐹
……………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………
By means of the formula (^) 𝑘^1 𝑒𝑞 = (^) 𝑘^11 + (^) 𝑘^12 or 𝑘𝑒𝑞 = (^) 𝑘𝑘 11 +𝑘^ 𝑘^22
……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………
𝑘𝑒𝑞 from 𝑘𝑒𝑞 = (^) ∆𝐿𝐹
……………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… By means of the formula 𝑘𝑒𝑞 = 𝑘 1 + 𝑘 2 ……………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………