Cómo el flujo de agua reduce la fricción y aumenta la velocidad

Cómo el flujo de agua reduce la fricción y aumenta la velocidad

Assessment

Interactive Video

Science, Physics, Engineering, Chemistry

1st - 6th Grade

Hard

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The video explains how reducing friction can be achieved by using water as a lubricant. When sliding down a slide, the constant flow of water reduces friction, allowing for a faster descent.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of reducing friction?

To increase resistance

To allow smoother motion

To make surfaces rougher

To slow down movement

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does water play when sliding down a slide?

It serves as a lubricant

It absorbs heat

It increases friction

It acts as a barrier

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does water affect your speed on a slide?

It stops you completely

It makes you go slower

It has no effect

It makes you go faster

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a function of a lubricant?

Reducing friction

Increasing speed

Increasing friction

Allowing smoother movement

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to friction when a lubricant is applied?

It becomes unpredictable

It decreases

It remains the same

It increases