Question

A boy wa boy walks along a straight road. A graph for his displacement from home is shown in figure. The average speed for the whole time interval is

a) 4m/s
b) 2m/s
c) 10m/s
d) 6m/s


please answer only if you know.....no spamming ​

Answer 1

Answer:

There are three types or classes of levers, according to where the load and effort are located with respect to the fulcrum. Class 1 has the fulcrum placed between the effort and load, Class 2 has the load in-between the effort and the fulcrum, and Class 3 has the effort between the load and the fulcrum.