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Ch 5

QuestionAnswer
What force is acting on the skateboard and girl as they are falling down? Gravity
Is falling off the skateboard an example of Balanced or Unbalanced forces? Unbalanced
How do we know it is unbalanced? The girl and skateboard are unstable as they are moving.
How can we make a prediction about what will happen on the swings by using our knowledge of forces? The motion of each swing happens in a pattern.
What is electromagnet? Magnets powered by electricity
A crane is an example of what? Electromagnet
When the electromagnet is powered on, there is a strong ______ field that attracts and lifts heavy items made of iron, steel and other metal items. Magnetized
When a car is attracted to the electromagnet, it does not ____. Move
If the car was still attracted to the electromagnet and it got turned off, the car would FALL because the forces would change from ____ to ___. Balanced to Unbalanced
Earth pulls the car down with the force of ____ and it ___ Gravity and it Moves
Created by: user-1975059
 

 



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