31) A box is pushed, up a ramp, at constant velocity with a force of 14 N. What is the magnitude of the friction force working on the box? *

dxd

Explanation:

fdvgffd

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.

b.a device that inputs heat into a cool object