Multiple forces act on an object at the same time. The size and direction of these forces determines the movement of the object. Show the forces acting on an object in a free body diagram. The arrows ...

A force is a push or a pull. For example, when you push open a door you must apply a force to the door. You also must apply a force to pull open a drawer. You cannot see a force but often you can see ...

In your study of statics, you have learned that if forces act at only points points on a rigid body, then the resultant forces acting at these two points must be collinear in order for the body to be ...