se (3) remain the same 118. As an object initially at rest on a horizontal surface is set in motion, the magnitude of the force of friction between the object and the surface 4 N Smooth (1) decreases (2) increases (3) remains the same

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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help with question number 118
ew
Questions
116. An empty wooden crate slides across a
warehouse floor. If the crate was filled, the
coefficient of kinetic friction between the crate
and the floor would
120. Each of the following diagrams shows a
different block being pushed to the right by a
horizontal force across a horizontal surface at
constant velocity.
(1) decrease (2) increase (3) remain the same
6 kg
2 kg
117. An empty wooden crate slides across a
warehouse floor. If the crate was filled, the
3 N
2 N
magnitude of the force of kinetic friction
between the crate and the floor would
Polished wood
Rough wood
A
(1) decrease (2) increase (3) remain the same
2 kg
118. As an object initially at rest on a horizontal
surface is set in motion, the magnitude of the
force of friction between the object and the
surface
4 kg
4 N
2 N
Smooth wood
Glass
(1) decreases (2) increases (3) remains the same
D
119. As a thrown baseball is acted on by air friction,
the thermal energy of the ball
In which two diagrams is the force of friction
the same?
(1) decreases (2) increases (3) remains the same
Topic 2: Mechanics
55
Transcribed Image Text:ew Questions 116. An empty wooden crate slides across a warehouse floor. If the crate was filled, the coefficient of kinetic friction between the crate and the floor would 120. Each of the following diagrams shows a different block being pushed to the right by a horizontal force across a horizontal surface at constant velocity. (1) decrease (2) increase (3) remain the same 6 kg 2 kg 117. An empty wooden crate slides across a warehouse floor. If the crate was filled, the 3 N 2 N magnitude of the force of kinetic friction between the crate and the floor would Polished wood Rough wood A (1) decrease (2) increase (3) remain the same 2 kg 118. As an object initially at rest on a horizontal surface is set in motion, the magnitude of the force of friction between the object and the surface 4 kg 4 N 2 N Smooth wood Glass (1) decreases (2) increases (3) remains the same D 119. As a thrown baseball is acted on by air friction, the thermal energy of the ball In which two diagrams is the force of friction the same? (1) decreases (2) increases (3) remains the same Topic 2: Mechanics 55
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