Which of the following is NOT true of an object in free fall in the absence of air resistance?
A)Its acceleration is constant.
B)If its initial velocity is upwards, it will reach a maximum height and then begin to fall.
C)If its initial velocity is zero, its position below its starting point can be calculated knowing only how long ago it began falling.
D)Its velocity will always be zero at some point along its path.
E)Its velocity changes by the same amount every second.

Question

Quizplus · Accepted Answer

An object in free fall will not experience any external force (such as air resistance) that will slow it down or change its velocity. Therefore, its velocity will never be zero at any point along its path. All other options are true of an object in free fall in the absence of air resistance.

Which of the Following Is NOT True of an Object