What is equilibrium in physics?
Physics Honors - 2nd Quarter Review

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Physics
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12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Equilibrium refers to a state where the net force acting on an object is zero, resulting in no acceleration. An object in equilibrium can be at rest or moving at a constant velocity.
2.
FLASHCARD QUESTION
Front
What is net force?
Back
Net force is the vector sum of all the forces acting on an object. It determines the object's acceleration according to Newton's second law (F=ma).
3.
FLASHCARD QUESTION
Front
What does Occam's razor suggest when choosing between competing hypotheses?
Back
Occam's razor suggests that one should select the simpler hypothesis, as it is more likely to be correct.
4.
FLASHCARD QUESTION
Front
How do you calculate power in terms of work done and time?
Back
Power (P) is calculated as the work done (W) divided by the time (t) taken, expressed as P = W/t.
5.
FLASHCARD QUESTION
Front
What is the unit of power in the International System of Units (SI)?
Back
The unit of power in SI is the watt (W), which is equivalent to one joule per second (J/s).
6.
FLASHCARD QUESTION
Front
What is the formula for gravitational potential energy?
Back
Gravitational potential energy (PE) is calculated using the formula PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.
7.
FLASHCARD QUESTION
Front
What is the relationship between work and energy?
Back
Work done on an object results in a change in its energy. The work-energy principle states that the work done is equal to the change in kinetic energy.
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