Force and Motion

Flashcard
•
Physics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an unbalanced force?
Back
An unbalanced force is a force that causes an object to change its state of motion, either by starting to move, stopping, or changing direction.
2.
FLASHCARD QUESTION
Front
State Newton's Second Law of Motion.
Back
Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This can be expressed with the formula: force = mass x acceleration.
3.
FLASHCARD QUESTION
Front
What is inertia?
Back
Inertia is the tendency of an object to resist changes in its state of motion. The greater the mass of an object, the greater its inertia.
4.
FLASHCARD QUESTION
Front
How do you calculate force?
Back
Force can be calculated using the formula: force = mass x acceleration.
5.
FLASHCARD QUESTION
Front
What is the relationship between mass and weight?
Back
Weight is the force exerted by gravity on an object, calculated as weight = mass x gravitational acceleration (approximately 9.8 m/s² on Earth).
6.
FLASHCARD QUESTION
Front
What is acceleration?
Back
Acceleration is the rate at which an object changes its velocity. It can be caused by a change in speed or direction.
7.
FLASHCARD QUESTION
Front
Give an example of Newton's First Law of Motion.
Back
An example of Newton's First Law is a soccer ball that remains at rest until a player kicks it, demonstrating that an object at rest stays at rest unless acted upon by an unbalanced force.
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