Which of the following simple machines is a second class ...
Which of the following simple machines is a second class lever?
wheel barrow
crowbar
claw hammer
seesae
Correct answer is A
No explanation has been provided for this answer.
Which of the diagrams above shows the position at which a small ball-bearing is in neutral equi...
Humidity is used to describe the amount of ...
Two cells each of e.m.f. 1.5V and an internal resistance 2Ω are connected in parallel. Calc...
The sign of the change on a charged glass rod may be determined with ...
The eye controls the amount of light reaching the retina by adjusting the ...