A woman exerts a constant horizontal force on a large box. As a result, the box moves across a horizontal floor at a constant speed "v0". The constant horizontal force applied by the woman: has the same magnitude as the weight of the box. is greater than the weight of the box. has the same magnitude as the total force which resists the motion of the box. is greater than the total force which resists the motion of the box. is greater than either the weight of the box or the total force which resists its motion. If the woman in the previous question doubles the constant horizontal force that she exerts on the box to push it on the same horizontal floor, the box then moves: with a constant speed that is double the speed "v0" in the previous question. with a constant speed that is greater than the speed "v0" in the previous question, but not necessarily twice as great. for a while with a speed that is constant and greater than the speed "v0" in the previous question, then with a speed that increases thereafter. for a while with an increasing speed, then with a constant speed thereafter. with a continuously increasing speed. If the woman in the above question suddenly stops applying a horizontal force to the box, then the box will: immediately come to a stop. continue moving at a constant speed for a while and then slow to a stop. immediately start slowing to a stop. continue at a constant speed. increase its speed for a while and then start slowing to a stop.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 64P: If a single constant force acts on an object that moves on a straight line, the objects velocity is...

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A woman exerts a constant horizontal force on a large box. As a result, the box moves across a horizontal floor at a constant speed "v0". The constant horizontal force applied by the woman:

has the same magnitude as the weight of the box.
is greater than the weight of the box.
has the same magnitude as the total force which resists the motion of the box.
is greater than the total force which resists the motion of the box.
is greater than either the weight of the box or the total force which resists its motion.

If the woman in the previous question doubles the constant horizontal force that she exerts on the box to push it on the same horizontal floor, the box then moves:

with a constant speed that is double the speed "v0" in the previous question.
with a constant speed that is greater than the speed "v0" in the previous question, but not necessarily twice as great.
for a while with a speed that is constant and greater than the speed "v0" in the previous question, then with a speed that increases thereafter.
for a while with an increasing speed, then with a constant speed thereafter.
with a continuously increasing speed.

If the woman in the above question suddenly stops applying a horizontal force to the box, then the box will:

immediately come to a stop.
continue moving at a constant speed for a while and then slow to a stop.
immediately start slowing to a stop.
continue at a constant speed.
increase its speed for a while and then start slowing to a stop.

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