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Physics

Chapter 1

QuestionAnswer
Force A push or a pull, it will change the motion of an object.
Net Force the combination of all forces acting on an object
Newton the scientific unit of force kgm/s^2 = N
Tension A stretching force
Scalar Quantity A quantity with magnitude (size) only. ex. speed
Vector Quantity A quantity with magnitude and direction (ex. velocity) and can be represented by an arrow
Mechanical Equilibrium A state where no change occurs
Static Equilibrium describes ____ __ ___. Objects at rest
Upward forces are ______? positive
Downward forces are _______? negative
A vector to the right is _______, but a vector to the left is ________. positive, negative (like on a line graph)
Objects moving at a constant velocity (speed and direction) are said to be in ______ _________. Dynamic Equilibrium
Define resultant. the sum of two or more vectors
Parallelogram Rule to find the resultant of two nonparallel vectors, construct a parallelogram wherein the two vectors are adjacent sides.
Created by: allieg1993