A stone is dropped from a high tower and is falling freely under the influence of the force of gravity. Ignoring air resistance, which statement is correct?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 81AP: Repeat the preceding problem, but this time, suppose that the work done by air resistance cannot be...
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 A stone is dropped from a high tower and is falling freely under the influence of the force of gravity. Ignoring air resistance, which statement is correct?

(a)

There is zero work done by the force of gravity as the stone falls.

(b)

The kinetic energy of the stone increases by equal amounts over equal distances.

(c)

The kinetic energy of the stone increases by equal amounts in equal time intervals.

(d)

The potential energy of the stone decreases by equal amounts in equal times.

(e)

The total energy of the stone increases by equal amounts in equal distances.

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