Question

Melissa is working on the roof of her house. She drops a hammer and a nail. Why do both objects hit the ground at the same time?(1 point)
Responses

Velocity causes both objects to fall at the same rate.
Velocity causes both objects to fall at the same rate.

Drag causes both objects to fall at the same rate.
Drag causes both objects to fall at the same rate.

Air resistance causes both objects to fall at the same rate.
Air resistance causes both objects to fall at the same rate.

Earth’s gravity causes both objects to fall at the same rate.
Earth’s gravity causes both objects to fall at the same rate.

Answer 1

Earth’s gravity causes both objects to fall at the same rate.

Explanation: In free fall (neglecting air resistance) all objects accelerate at the same rate g ≈ 9.8 m/s² regardless of mass, so the hammer and nail hit at the same time.