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1. Which situation are unbalanced forces acting on an object?

Answer: Two people standing on the same side of a large tire. Both people pull the tire with equal force.

2. What is intertia?
Answer: An object's resistance to a change its motion.

3. A balloon floats inside a stopped car. When the car starts moving forward, the balloon appears to move backward relative to the car. Which statement best explains this observation?
Answer: The car moves forward, while intertia keeps the balloon in place.

4. Which statement best explains why a paper airplane eventually falls to the ground?
Answer: The unbalanced forces of air resistance and gravity slow the airplane and pull it down.

S..sorry I don't have 5...It wouldn't let me...H..hope this helps..:)

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4 answers

  1. mikadgaf is wrong it's "An unbalanced force can change both the object's direction and speed"

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  2. a baseball falls at a faster and faster speed.

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  3. Number 5 is A

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  4. 5. According to Newton’s first law, what must be true of a force for it to stop an object in motion?
    answer: The force acting on the object must be unbalanced.

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