How do similar (S-S or N-N) magnetic poles interact?
A. They repel each other.
B. They attract each other.
Ĉ. They become demagnetized.
D. They move closer together.

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

In a series circuit the __ is the same at every point

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.