Question

Which of the following statement is true about pulleys?
A. Pulley is a simple machine
B. It is a wheel with a groove in it.
C. Multiple wheels can be combined in a pulley to lift very heavy objects
D. Pulley is used to push heavy objects a)Only A and B
b) Only D
c) All the above
d) Only A,B and C​

Answer 1

Answer:

I think option (C) is right Ans .