Question

please tell me the answers I request you please do full explaination please ​

Answer 1

1. We know that

By formula of Mechanical advantage = load ÷ effort

Hence by putting the values in above formula we get 60 ÷ 20 = 3 answer .

2. In second question too we will use same formula

and dividing load by effort we get

0.8 ÷ 4 = 1/5 = 0.2 answer

Hope this helps ❤️