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Answer: How many significant forces act on a book at rest
Chapter 2, Problem 32E(choose chapter or problem)
QUESTION:
Problem 32E
How many significant forces act on a book at rest on a table? Identify the forces.
Questions & Answers
QUESTION:
Problem 32E
How many significant forces act on a book at rest on a table? Identify the forces.
ANSWER:
Solution
Step 1 of 2
- Normal force is the contact force , which exists between the contact surfaces. It acts perpendicular to the contact surface. (due to action reaction pair).
- Weight is due to the gravitational of the earth, which is exerted on the object with mass m on the earth surface. It acts always towards the earth.
That is W= mg
Where m is the mass of the object and g is acceleration due to gravity.