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Physics Chapter 1 Questions with complete solution

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Physics Chapter 1 Questions with complete solution Physics Chapter 1 scalars - correct answer quantities that have magnitude only (e.g. speed and mass) vectors - correct answer quantities that have both magnitude and direction; represented by arrows; the length of the arrow represents...

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  • October 19, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • PHYSICS

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Physics Chapter 1
scalars - correct answer ✔quantities that have magnitude only (e.g. speed
and mass)


vectors - correct answer ✔quantities that have both magnitude and direction;
represented by arrows; the length of the arrow represents the magnitude and
the arrow points in the direction


kinematics - correct answer ✔how things move


dynamics - correct answer ✔why things move


distance - correct answer ✔the scalar length of an object's path during an
interval of time; denoted by x


displacement - correct answer ✔the vector distance and direction from an
object's initial position to its final position during an interval of time; denoted by
Δx


speed - correct answer ✔scalar that describes how fast; it is always positive


velocity - correct answer ✔the rate of change of position; it is the vector that
describes how fast and in what direction; it can be positive or negative


average velocity - correct answer ✔total displacement divided by total time

, average speed - correct answer ✔equals the total distance traveled divided
by the total time


instantaneous velocity - correct answer ✔how fast an object is moving at a
specific time


acceleration - correct answer ✔the rate of change of velocity; vector


deceleration - correct answer ✔when an object traveling in one direction
accelerates in the other direction, it slows down; negative acceleration


free fall - correct answer ✔when an object falls without any force on it but
gravity


projectile - correct answer ✔an object that is given some initial motion and
afterward acted on by the force of gravity alone


trajectory - correct answer ✔the path of the projectile


newton's first law of motion - correct answer ✔an object at rest stays at rest
and an object in motion stays in uniform motion in a straight line unless acted
upon by an unbalanced force; an unbalanced force is not canceled out by
another opposing force


mechanical equilibrium - correct answer ✔when the net force on an object is
0 N, it does not change its state of motion

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