Question

please tell 11 ,12,13,14,15,16,17 no please for my exam​

Answer 1

11.whell and axis

12.lever

13.wedge

14.pulley
15.gravitational force
16. a simple machine
17.pulley =to lift heavy objects
wedge =to cut objects
screw=to fix to objects together.

hope it helps you my dear friend please mark as brainliest.

Answer 2

11. pulley

12.inclined plain

13.wedge

14.pulley

15.gravitational force

16.a simple machine

17.p-ii

q-iii

r-i