4. Two students are discussing the gravity forces that affect a small rock (m= 3 kg) and a car (m = 1000 kg). They watch the two objects fall at the same rate. Student 1: "Both the rock and the car fall at the same acceleration, g = 9.8 m/s. So they must feel the same amount of gravity force. Student 2: "But more mass means more inertia. You need more force to affect a heavier object, so the car must feel a bigger gravity force than the rock." Do you agree or disagree with either or both of the students? Explain why.
4. Two students are discussing the gravity forces that affect a small rock (m= 3 kg) and a car (m = 1000 kg). They watch the two objects fall at the same rate. Student 1: "Both the rock and the car fall at the same acceleration, g = 9.8 m/s. So they must feel the same amount of gravity force. Student 2: "But more mass means more inertia. You need more force to affect a heavier object, so the car must feel a bigger gravity force than the rock." Do you agree or disagree with either or both of the students? Explain why.
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Transcribed Image Text:4. Two students are discussing the gravity forces that affect a small rock (m= 3 kg) and a car (m = 1000 kg).
They watch the two objects fall at the same rate.
Student 1: "Both the rock and the car fall at the same acceleration, g =9.8 m/s. So they must feel the same
amount of gravity force.
Student 2: "But more mass means more inertia. You need more force to affect a heavier object, so the car must
feel a bigger gravity force than the rock."
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Do you agree or disagree with either or both of the students? Explain why.
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