eSchool Today
E School Today: All About Forces
Forces are everywhere. Learn what they are, the characteristics of forces, different kinds of forces, and factors that affect them.
Texas Instruments
Texas Instruments: Frictional Forces
In this activity, students' will use a Dual range force sensor to measure the force required to pull a block across different surfaces. They will examine the results to see when more force is needed to move the block and understand the...