Question 4
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?
A
The rainwater decreased the force of gravity pushing on the wagon, increasing the force needed to move it.
B
The rainwater decreased the force of friction pulling on the wagon, decreasing the force needed to move it.
C
The rainwater increased the mass of the wagon, decreasing the amount of force needed to move it.
D
The rainwater increased the mass of the wagon, increasing the amount of force needed to move it.