A compass needle acts as a(n)

Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems

What do you think car designers do if the damage caused by a crash test is too severe?

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?