![]() You can use an arrow to symbolize the direction of the force. At that point, students have balanced forces in front of them. Students can use any object, but each one should not be too heavy, as the goal of this part is to reach equilibrium. (300 g) on a regular surface to stop the Pull-robot from moving. ![]() Investigate by adding small objects and then heavy objects to the basket until the device stops moving. Using this model, students should be able to conduct an investigation about pull forces.ġ. Have your students collect their answers with text or pictures in the Documentation tool. Unbalanced forces can cause a change in an object’s motion (speeding up, slowing down, etc.)
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