In the Absence of Air Resistance, a Boulder and a Pebble

question 23

Multiple Choice

In the absence of air resistance, a boulder and a pebble dropped from rest will fall with equal

• A)forces of gravity.
• B)accelerations.
• C)energies.
• D)all these.
• The reason that this quantity is not greater for the boulder than the pebble is that
• E)both the boulder and the pebble fall at the same speed.
• F)the initial potential energies of each is the same.
• G)gravitational force acting on each is the same.
• H)the greater gravitational force on the boulder acts on a correspondingly greater mass.