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PHYSICS FINAL EXAM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS FINAL EXAM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS FINAL EXAM REVIEWQUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
A force is needed to - ANSWER change an objects state of motion
The combination of all forces acting on an object is called the - ANSWER net force
When you hold a rock at rest in your hand, you are pushing upward on it with as much force as Earth's
gravity pulls down on it. The net force would be - ANSWER zero on the rock
The scientific unit of force is the newton-- - ANSWER abbreviated N
Tension is a - ANSWER stretching force
Weight is the force of gravity - ANSWER acting downward on an object
A vector is an arrow that - ANSWER represents the magnitude and direction of a quantity.
A vector quantity is a quantity that needs both magnitude and - ANSWER direction for a complete
description
-an example would be force
A scalar quantity is a - ANSWER quantity that can be described by magnitude only and has no direction. -
time, area, and volume are scalar quantities
You can express the equilibrium rule mathematically as - ANSWER (funky backwards E letter)F=0
-e letter stands for the sum of
-f stands for forces
, Mechanical Equilibrium is a - ANSWER state wherein no physical changes occur; it is a state of steadiness
Whenever the net force on an object is zero, the object is said to be in - ANSWER mechanical equilibrium
What is the Equilibrium Rule? - ANSWER Whenever the net force on an object is zero, the object is said
to be in mechanical equilibrium
For a suspended object at rest, the forces acting upward on the object must be - ANSWER balanced by
other forces acting downward to make the vector sum equal zero
For an object at rest on a horizontal surface, - ANSWER the support force must equal the objects weight
A support force is the upward force - ANSWER that balances the weight of an object on a surface. A
support force is often called the normal force
An upward support force is - ANSWER positive and a downward weight is negative
-The weight of a book sitting on a table is a negative force
-The atoms squeeze
-The compressed atoms produce - ANSWER -that squeezes downward on the atoms of the table
-upward on the book.
-the positive support force.
Objects at rest are said to be in - ANSWER static equilibrium
Objects moving at constant speed in a straight line path are said to be in - ANSWER dynamic equilibrium
Equilibrium is a state of - ANSWER no change
An object under the influence of only one force - ANSWER cannot be in equilibrium
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