Question

A student performs two investigations of force and acceleration. In the first investigation, she pushes objects with different masses using the same amount of force. In the second investigation, the student pushes objects with the same masses using different amounts of force. The result of both investigations are shown.

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Which claim and argument can the student make using her data?

A.
Claim: With a constant force, the acceleration of the objects is proportional to the mass of the objects.
Evidence: The acceleration of the objects increases as the masses of the objects increase.

B.
Claim: With a constant force, the acceleration of the objects is proportional to the mass of the objects.
Evidence: The acceleration of the objects decreases as the masses of the objects decrease.

C.
Claim: With a constant mass, the amount of force applied to the objects is proportional to their acceleration.
Evidence: As the force on the objects increases, the acceleration of the objects increases.

D.
Claim: With a constant mass, the amount of force applied to the objects is proportional to their acceleration.
Evidence: As the force on the objects increases, the acceleration of the objects decreases.