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Hooke’s Law Lab Report, Lab Reports of Physics

Hooke’s Law of spring show total amount of energy which are absorbed in spring

Typology: Lab Reports

2020/2021

Uploaded on 05/11/2021

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EXPERIMENT 4
HOOKE’S LAW
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
pf3
pf4
pf5

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HOOKE’S LAW

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

HOOKE’S LAW

Figure 4.1 Experimental set up

HOOKE’S LAW

  1. Set up the spring as figure 4. 2.Measure the length of each spring Lthin =……………. Lthick =……………….
  2. Hang a 𝑚 1 on first spring and record the elongation.
  3. Repeat the step 3 for different masses.(𝑚 2 , 𝑚 3 )
  4. Repeat the steps 4 and 5 for second spring.
  5. Calculate the applied force for different masses and spring.
  6. Calculate 𝑘 using 𝐹𝑖 ⁄ ∆𝐿 (^) 𝑖and 𝑘𝑎𝑣𝑔 for each spring.

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.

  1. Connect the thin and thick springs in series.
  2. Measure the extension ∆𝐿 =………….. caused by a 0.12 kg mass compute the equivalent value of

𝑘𝑒𝑞 from 𝑘𝑒𝑞 = (^) ∆𝐿𝐹

……………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………

By means of the formula (^) 𝑘^1 𝑒𝑞 = (^) 𝑘^11 + (^) 𝑘^12 or 𝑘𝑒𝑞 = (^) 𝑘𝑘 11 +𝑘^ 𝑘^22

……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………

HOOKE’S LAW

  1. Connect the first and second springs in paralel. Measure the extension ∆𝐿 =………….. caused by a 0.17 kg mass compute the equivalent value of

𝑘𝑒𝑞 from 𝑘𝑒𝑞 = (^) ∆𝐿𝐹

……………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… By means of the formula 𝑘𝑒𝑞 = 𝑘 1 + 𝑘 2 ……………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………