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What's an example of a force that pulls? What's an example of a force that pushes?
What's the difference between a force that pushes and a force that pulls?
What object can pull objects toward it without touching?
What's gravity? Can you give an example?
In which direction does gravity pull everything with mass?
Can you give an example of something that overcomes gravity?
What's friction? What does friction do to an object?
A ball rolls on two surfaces: one is smooth and one is rough. Does the smooth or the rough surface create more friction? On which surface does the ball roll for a longer time?
Does friction apply to air and water? Can you give an example?
When we apply a stronger force to an object, will it go a longer or shorter distance?
When we use the same force to hit a tennis ball and a basketball, which one will be less affected by the force?
When we use the same force to pull a car and a wagon, which one will move a longer distance?
What are balanced forces? Can you give an example of balanced forces on an object?
What are unbalanced forces? Can you give an example of unbalanced forces on an object?
Which make an object move? Balanced or unbalanced forces?
