What is the net force acting on an object?

Elevators & Apparent Weight

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Physics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The net force is the vector sum of all the forces acting on an object, determining its acceleration and direction of motion.
2.
FLASHCARD QUESTION
Front
What is the normal force?
Back
The normal force is the force exerted by a surface to support the weight of an object resting on it, acting perpendicular to the surface.
3.
FLASHCARD QUESTION
Front
What does it mean for an elevator to be not accelerating?
Back
An elevator that is not accelerating is either at rest or moving at a constant velocity, resulting in no net force acting on it.
4.
FLASHCARD QUESTION
Front
What happens to the scale reading when an elevator accelerates upward?
Back
When an elevator accelerates upward, the scale reading increases, showing a weight greater than the normal weight due to the additional force from acceleration.
5.
FLASHCARD QUESTION
Front
How does downward acceleration of an elevator affect perceived weight?
Back
When an elevator accelerates downward, occupants feel lighter than normal because the normal force decreases as the elevator moves down.
6.
FLASHCARD QUESTION
Front
What is apparent weight?
Back
Apparent weight is the weight an object seems to have when in a non-inertial frame of reference, such as an accelerating elevator.
7.
FLASHCARD QUESTION
Front
What is the relationship between acceleration and net force?
Back
According to Newton's second law, the net force acting on an object is equal to the mass of the object multiplied by its acceleration (F=ma).
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