Question 1471
If two equal and opposite forces act along the same line, do they form a couple?
Question 1472
What is the dimensional formula of torque?
Question 1473
In rotational equilibrium, what is the net torque?
Question 1474
What is the role of the Earth's magnetic field on a compass needle?
Question 1475
If the effort is applied closer to the fulcrum than the load, what happens to mechanical advantage?