RC #2: SVA + Newton's Laws; 8.6 B, C
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is velocity?
Back
Velocity is the speed of an object in a specific direction, expressed in units such as meters per second (m/s) with a directional component (e.g., 30 m/s east).
2.
FLASHCARD QUESTION
Front
What is the difference between speed and velocity?
Back
Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.
3.
FLASHCARD QUESTION
Front
What does it mean for forces to be balanced?
Back
Balanced forces occur when two or more forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.
4.
FLASHCARD QUESTION
Front
What is Newton's First Law of Motion?
Back
Newton's First Law states that an object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity unless acted upon by an unbalanced force.
5.
FLASHCARD QUESTION
Front
What is acceleration?
Back
Acceleration is the rate of change of velocity of an object, typically measured in meters per second squared (m/s²).
6.
FLASHCARD QUESTION
Front
What is the formula for calculating acceleration?
Back
Acceleration (a) can be calculated using the formula: a = (final velocity - initial velocity) / time.
7.
FLASHCARD QUESTION
Front
What is the significance of direction in motion?
Back
Direction is crucial in motion as it determines the velocity of an object; two objects can have the same speed but different velocities if they are moving in different directions.
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