Chemical Equilibrium - Analogy

Chemical Equilibrium - Analogy

Assessment

Interactive Video

Chemistry, Science, Physics

10th Grade - University

Hard

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The video tutorial explains the concept of dynamic equilibrium using a seesaw as an example. It describes how a seesaw behaves when a person and a child sit on it, and how it stabilizes when two children of similar weight are on it, leading to a state of dynamic equilibrium. The tutorial also provides real-life examples of dynamic equilibrium, such as a man on an escalator moving in the opposite direction and a man running on a treadmill.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the seesaw to tilt towards the person when a person and a child are sitting on it?

The seesaw is unevenly balanced.

The person has greater weight than the child.

The child is heavier than the person.

The person is sitting closer to the center.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When two children of nearly equal weight sit on a seesaw, what eventually happens?

The seesaw stabilizes and does not move.

The seesaw breaks due to weight.

The seesaw tilts towards one child.

The seesaw remains in constant motion.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the state when two children on a seesaw are balanced and not moving?

Linear equilibrium

Rotational equilibrium

Dynamic equilibrium

Static equilibrium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of dynamic equilibrium?

A car parked on a hill

A pendulum at rest

A man running on a treadmill

A book resting on a table

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of dynamic equilibrium, what is happening when a man goes up an escalator that is moving downward?

The man is in dynamic equilibrium.

The man and the escalator are moving at the same speed.

The man is in a state of rest.

The man is moving faster than the escalator.