Abox is pushed toward the right across a classroom floor. the force of friction on the box is directed toward the

If forces acting on an object are unbalanced. true or false

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion