What is static friction?
Forces and Motion - 2024

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Static friction is the force that keeps an object at rest and prevents it from moving when a force is applied. It acts in the opposite direction of the applied force.
2.
FLASHCARD QUESTION
Front
What is rolling friction?
Back
Rolling friction is the force that opposes the motion of a rolling object. It is generally less than static or sliding friction, allowing wheels to roll smoothly.
3.
FLASHCARD QUESTION
Front
What is the relationship between mass and acceleration when the same force is applied?
Back
When the same force is applied, a lighter mass will have greater acceleration than a heavier mass, according to Newton's second law of motion (F=ma).
4.
FLASHCARD QUESTION
Front
What are unbalanced forces?
Back
Unbalanced forces are forces that cause an object to change its state of motion, either by speeding it up, slowing it down, or changing its direction.
5.
FLASHCARD QUESTION
Front
What two factors affect an object's kinetic energy?
Back
An object's kinetic energy is affected by its mass and speed. The formula for kinetic energy is KE = 1/2 mv².
6.
FLASHCARD QUESTION
Front
What is the formula for calculating force?
Back
The formula for calculating force is F = ma, where F is force, m is mass, and a is acceleration.
7.
FLASHCARD QUESTION
Front
What is the difference between balanced and unbalanced forces?
Back
Balanced forces do not change an object's motion, while unbalanced forces result in a change in motion.
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