Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 2, Problem 1A
What is the difference between force and net force on an object?
Expert Solution & Answer
To determine
The difference between force and net force on an object.
Answer to Problem 1A
A force is basically a push or a pull on an object. But, when more than one force acts on an object, then the net force comes into play which is just the combination of the forces acting on the object.
Explanation of Solution
Introduction:
Whenever the state of motion or rest of an object is to be changed, force is needed.
When more than one force acts on a body, then the state of motion or rest of the body will change according to the net force and not according to the individual forces acting on it.
Conclusion:
Hence, the net force on an object is just the combination of the individual forces acting on it.
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Chapter 2 Solutions
Conceptual Physics: The High School Physics Program
Ch. 2 - What is the difference between force and net force...Ch. 2 - What is the net force on a box that is being...Ch. 2 - What name is given to the stretching force that...Ch. 2 - What two quantities are necessary to determine a...Ch. 2 - How does a vector quantity differ from a scalar...Ch. 2 - Give an example of a vector quantity. Give an...Ch. 2 - How much tension is in a rope that holds up a 20-N...Ch. 2 - What does F=0 mean?Ch. 2 - What is the net force on an object at rest?Ch. 2 - Prob. 10A
Ch. 2 - What is the angle between a support force and the...Ch. 2 - What two forces compress a spring inside a...Ch. 2 - When you are at rest and supported by a pair of...Ch. 2 - Can an object be moving and still be in...Ch. 2 - If you push a crate across a factory floor at...Ch. 2 - Prob. 16ACh. 2 - According to the parallelogram rule for two...Ch. 2 - Consider the suspension of Nellie in Figure 2.11....Ch. 2 - Consider Nellie in Figure 2.12. What changes in...Ch. 2 - When Nellie hangs from ropes at different angles,...Ch. 2 - Blocks A and B are supported by the table. Block C...Ch. 2 - In the diagram below, identical blocks are...Ch. 2 - Burl and Paul stand on their sign-painting...Ch. 2 - Percy does gymnastics, suspended by one rope in A...Ch. 2 - A cat lies on the floor. Can you say that no force...Ch. 2 - Consider two forces, one having a magnitude of 20...Ch. 2 - When a box of chocolate bars is in mechanical...Ch. 2 - Faina says that an object cannot be in mechanical...Ch. 2 - Phyllis Physics hangs at rest from the ends of the...Ch. 2 - Harry the painter swings year after year from his...Ch. 2 - How many significant forces act on a your physics...Ch. 2 - Why doesnt the support force that acts on a book...Ch. 2 - Nicole stands on a bathroom scale and reads her...Ch. 2 - Justin sets a hockey puck sliding across the ice...Ch. 2 - Alyssa pulls horizontally on a crate with a force...Ch. 2 - Consider a heavy refrigerator at rest on a kitchen...Ch. 2 - Sneezlee is supported by two thin wires. Is the...Ch. 2 - Sneezlees wire supports are repositioned as shown....Ch. 2 - If a picture frame were supported by a pair of...Ch. 2 - A monkey hangs by a strand of rope and holds onto...Ch. 2 - Why cant the strong man pull hard enough to make...Ch. 2 - Two vertical chains are used to hold up a 1000-N...Ch. 2 - Lucy Lightweight stands with one foot on one...Ch. 2 - Harry Heavyweight, who weighs 1200 N, stands on a...Ch. 2 - The sketch shows a painters staging in mechanical...Ch. 2 - A staging that weighs 300 N supports two painters,...Ch. 2 - Two children push on a heavy crate that rests on a...Ch. 2 - Two children push on a crate. They find that when...
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