
Understanding Forces and Motion
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.
2.
FLASHCARD QUESTION
Front
What is potential energy?
Back
Potential energy is the energy stored in an object due to its position or configuration. It is often associated with gravitational potential energy, calculated as PE = mgh, where m is mass, g is gravitational acceleration, and h is height.
3.
FLASHCARD QUESTION
Front
What is the formula for calculating work done?
Back
Work done (W) is calculated using the formula W = Fd cos(θ), where F is the force applied, d is the distance moved in the direction of the force, and θ is the angle between the force and the direction of motion.
4.
FLASHCARD QUESTION
Front
What factors affect gravitational potential energy?
Back
Gravitational potential energy is affected by the mass of the object, the height above the ground, and the gravitational acceleration. Speed does not affect gravitational potential energy.
5.
FLASHCARD QUESTION
Front
What is the relationship between work and energy?
Back
Work is a transfer of energy. When work is done on an object, energy is transferred to that object, resulting in a change in its kinetic or potential energy.
6.
FLASHCARD QUESTION
Front
How does air resistance affect falling objects?
Back
Air resistance opposes the motion of falling objects, reducing their acceleration and final velocity compared to free fall without air resistance.
7.
FLASHCARD QUESTION
Front
What is the principle of conservation of energy?
Back
The principle of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. The total energy in a closed system remains constant.
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