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FísicaFísica215 views·Updated Jun 18, 2026·1 page

Comprendiendo la Densidad: Masa y Volumen

R
Roymar Garcia marquez@oymararciamarquez_s6gt

¿Alguna vez te has preguntado por qué algunos objetos flotan...

1
of 1
# Densidad (1) masa de un objeto

PRO

Por unidad de
Volumen

$P=$

→m=P. v

La denvidad se mide en []o[9/cm²]

Kg con m

9 con cm³)

Para c

Densidad: La Relación Entre Masa y Volumen

La densidad te dice cuánta masa tiene un objeto por cada unidad de volumen. Es como medir qué tan "apretada" está la materia en un espacio determinado.

La fórmula básica es P = m/V, donde P es densidad, m es masa y V es volumen. También podés despejar para encontrar masa m=P×Vm = P × V o volumen V=m/PV = m/P según lo que necesites calcular.

Las unidades más comunes son kg/m³ y g/cm³. Recordá que 1 g/cm³ = 1000 kg/m³, entonces siempre prestá atención a las unidades para hacer las conversiones correctas.

Ejemplo práctico: Si tenés un objeto de 400g con volumen de 0.25m³, podés convertir los gramos a kilogramos (0.4 kg) y calcular: P = 0.4 kg ÷ 0.25 m³ = 1.6 kg/m³. Para una esfera de 15g con radio de 0.43 cm, primero calculás su volumen (≈ 0.33 cm³) y luego su densidad 45.45g/cm3≈ 45.45 g/cm³.

💡 Tip clave: Siempre verificá que las unidades de masa y volumen sean compatibles antes de calcular. Si tenés gramos, usá cm³; si tenés kilogramos, usá m³.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content: Density

2

Most popular content in Física

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user

FísicaFísica215 views·Updated Jun 18, 2026·1 page

Comprendiendo la Densidad: Masa y Volumen

R
Roymar Garcia marquez@oymararciamarquez_s6gt

¿Alguna vez te has preguntado por qué algunos objetos flotan mientras otros se hunden? La densidades la clave para entender este fenómeno y es uno de los conceptos más útiles en física. Te va a servir tanto para resolver...

1
of 1
# Densidad (1) masa de un objeto

PRO

Por unidad de
Volumen

$P=$

→m=P. v

La denvidad se mide en []o[9/cm²]

Kg con m

9 con cm³)

Para c

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Densidad: La Relación Entre Masa y Volumen

La densidad te dice cuánta masa tiene un objeto por cada unidad de volumen. Es como medir qué tan "apretada" está la materia en un espacio determinado.

La fórmula básica es P = m/V, donde P es densidad, m es masa y V es volumen. También podés despejar para encontrar masa m=P×Vm = P × V o volumen V=m/PV = m/P según lo que necesites calcular.

Las unidades más comunes son kg/m³ y g/cm³. Recordá que 1 g/cm³ = 1000 kg/m³, entonces siempre prestá atención a las unidades para hacer las conversiones correctas.

Ejemplo práctico: Si tenés un objeto de 400g con volumen de 0.25m³, podés convertir los gramos a kilogramos (0.4 kg) y calcular: P = 0.4 kg ÷ 0.25 m³ = 1.6 kg/m³. Para una esfera de 15g con radio de 0.43 cm, primero calculás su volumen (≈ 0.33 cm³) y luego su densidad 45.45g/cm3≈ 45.45 g/cm³.

💡 Tip clave: Siempre verificá que las unidades de masa y volumen sean compatibles antes de calcular. Si tenés gramos, usá cm³; si tenés kilogramos, usá m³.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content: Density

2

Most popular content in Física

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user