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2.... A CLASS 1 LEVER OF LENGTH 160 cm HAS ITS FULCRUM AT A DISTANCE OF 40 cm FROM THE LOAD. CALCULATE THE MECHANICAL ADVANTAGE OF THE LEVER

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2.... A CLASS 1 LEVER OF LENGTH 160 cm HAS ITS FULCRUM AT A DISTANCE OF 40 cm FROM THE LOAD. CALCULATE THE MECHANICAL ADVANTAGE OF THE LEVER

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THE LOAD ARM OF A LEVER IS 2m LONG AND ITS EFFORT ARM IS 3 mLONG . WHAT IS THE EFFORT REQUIRED TO LIFT A LOAD OF 21N

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THE LOAD ARM OF A LEVER IS 2m LONG AND ITS EFFORT ARM IS 3 mLONG . WHAT IS THE EFFORT REQUIRED TO LIFT A LOAD OF 21N

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Question 1

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Question 2

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Load arm = 2m
Effort arm = 3m
Load = 21N
Effort = ?
The principal of lever
Load x load arm  x Effort x Effort arm
21 x 2 x Effort x 3
Effort = 21 x 2 / 3
Effort = 14 N

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THE LOAD ARM OF A LEVER IS 2m LONG AND ITS EFFORT ARM IS 3 mLONG . WHAT IS THE EFFORT REQUIRED TO LIFT A LOAD OF 21N
load arm= 2m
effort arm = 3m
load = 21N
effort=?
la x l/ 3 =
2x 21 = 42
42/ 3= 14
14 n

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Ans.1.
Load arm= 2m
Effort arm= 3m
Load= 21N
Effort= ?
The principal of lever
Load x load arm x Effort x effort arm
21 x 2x Effort x 3
effort = 21 x 2/3
effort = 14 N