Question

Q1 what do you mean by the mechanical advantage of the lever?
Q2 which lever has a mechanical advantage always more than 1? give an example.
Q3 give one example of class 1 lever in each case where the mechanical advantage is
1 more than 2 equal to 1 3 more than
Q4 name the lever class
1 a pair of scissors
2 a lemon squeezer
3 a nutcracker
4 a pair of sugar tongs
5 a beam balance
6 an oar rowing a boat
7 a wheelbarrow
8 a see-saw
9 a pair of pliers
8 a crowbar

Answer 1

Answer:

Q1= The mechanical advantage for a lever is equal to the ration of the effort arm to the Load arm. This is also called the principal of a lever ..

Q2: The mechanical advantage of class || is always more then 1. Example -nut cracker, wheel Barrow, botol opener etc.

Q3: 1- more then 1:load arm for pierce .

2- equal to 1: see-saw.

3- less then one: the Load arm of a pair of scissors .

Explanation:

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