Kids are drawn to dolls and dump trucks, and crashing the two together might just be a child's favorite pastime. Who knew such a simple pleasure could serve as an accessible, compelling phenomenon for instigating investigations of force and motion. With a few inexpensive materials straight out of the toy box (literally, a doll, a dump truck, a…

Students come to class with little understanding about torque, angular velocity, and angular acceleration despite the fact that these physical science concepts are frequently observed. For example, torque occurs when car and bicycle tires rotate, the movement of fishing pole when hooking a fish, and when a person uses a hammer to drive in a nail.…