What is acceleration?
Forces and Motion Review

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Physics, Science
•
9th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Acceleration is the rate at which an object's velocity changes over time. It is measured in meters per second squared (m/s²).
2.
FLASHCARD QUESTION
Front
How do you calculate acceleration?
Back
Acceleration (a) can be calculated using the formula: a = (final velocity - initial velocity) / time.
3.
FLASHCARD QUESTION
Front
What is the formula for weight?
Back
Weight (W) is calculated using the formula: W = mass (m) × gravitational acceleration (g).
4.
FLASHCARD QUESTION
Front
What is the unit of force?
Back
The unit of force is the Newton (N).
5.
FLASHCARD QUESTION
Front
What happens when two forces of equal magnitude act in opposite directions?
Back
When two forces of equal magnitude act in opposite directions, they cancel each other out, resulting in no movement.
6.
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.
7.
FLASHCARD QUESTION
Front
If a boat reduces its velocity from 9.5 m/s to 5.5 m/s over a distance of 12.0 m, what is its acceleration?
Back
The acceleration is 2.5 m/s².
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