Question

7) In a lever, the fulcrum is at one end of the lever rod of length 80cm and the load is at the other end. An effort of 30N is exerted at a distance of 20cm from the fulcrum. Calculate the following:

a) Length of the load arm

b) Length of effort arm

c) MA of the lever

d) The load

​

Answer 1

Answer:

option ç

mark me brainleast