Question


Force and Motion Retest
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Question
Megan left her wagon outside while it was raining and it filled with water. When Megan tried to move the wagon that afternoon, she failed to budge the wagon. Why did Megan's wagon become hard to move?
Responses

The rainwater decreased the force of gravity pushing on the wagon, increasing the force needed to move it.
The rainwater decreased the force of gravity pushing on the wagon, increasing the force needed to move it.

The rainwater decreased the force of friction pulling on the wagon, decreasing the force needed to move it.
The rainwater decreased the force of friction pulling on the wagon, decreasing the force needed to move it.

The rainwater increased the mass of the wagon, decreasing the amount of force needed to move it.
The rainwater increased the mass of the wagon, decreasing the amount of force needed to move it.

The rainwater increased the mass of the wagon, increasing the amount of force needed to move it.
The rainwater increased the mass of the wagon, increasing the amount of force needed to move it.
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Answer
ARE YOU SURE
Answered by GPT 3.5
The correct response is:

The rainwater increased the mass of the wagon, increasing the amount of force needed to move it.
Answered by GPT 3.5
Yes, I am sure. When the wagon fills with water, the additional mass of the water increases the overall mass of the wagon. According to Newton's second law of motion, F = ma, where F represents force, m represents mass, and a represents acceleration. As the mass of the wagon increases, more force is required to accelerate or move the wagon. Therefore, the rainwater increases the mass of the wagon, increasing the amount of force needed to move it.