75 kilometers per hour is an example of:
a. speed.
b. velocity
c. acceleration

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.

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