Elevators & Apparent Weight

Elevators & Apparent Weight

Assessment

Flashcard

Physics

11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the net force acting on an object?

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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