A 10-kg object is being pulled to the right at a constant speed. If the applied force is 42 N at an angle of 50° to the horizontal. Find the coefficient of friction between the object and the surface.

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?

What happens when you slowly pulled the carboard?

If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction