True or false weight is constant every place in the universe.

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

the force on the thing and the distance the force moves the thing

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this