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Solution for Fig 3.16 Below Shows a Lever in Use. (A) to Which Class of Lever Does It Belong? (B) If Ab = 1m, Af = 0.4 M, Find Its Mechanical Advantage, (C) Calculate the Value of E. - ICSE Class 10 - Physics

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Question

Fig 3.16 below shows a lever in use.

(a) To which class of lever does it belong?
(b) If AB = 1m, AF = 0.4 m, find its mechanical advantage,
(c) calculate the value of E.

Solution

(a) This is a class I lever.
(b) Given AB=1m, AF=0.4m and BF=0.6 m
Mechanical advantage M.A = 𝐡𝐹𝐴𝐹= 0.60.4=1.5
(c) Load = 15kfg
     Effort = `"πΏπ‘œπ‘Žπ‘‘"/"𝑀.𝐴"` = `15/1.5 `= 10 π‘˜π‘”π‘“

 

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Solution Fig 3.16 Below Shows a Lever in Use. (A) to Which Class of Lever Does It Belong? (B) If Ab = 1m, Af = 0.4 M, Find Its Mechanical Advantage, (C) Calculate the Value of E. Concept: Concept of Lever.
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