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.) Can you infer the relationship among balanced forces and the objects’ ability to move?.This means that at this point, your students’ answers can be incorrect.įollowing the lesson, students should be able to discuss the fact that the motion of the object will be in the direction of the greatest push or pull force. This answer should be based upon students’ predictions in the beginning. Predict what will happen if the pull force is greater in one direction than the other.It is easier to move an object on a slippery surface than on a rough one.ĭepending on the mass of an object, it can also be more difficult to move the object on a slippery surface because there is less grip to push or pull. Can you explain friction? Is it easier to pull something on a normal surface than on a slippery one?.To make it move, pull or push it, or, more generally, apply a force to it. What are some ways you can make an object move?.
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