Quiz about Vectores: conceptos básicos

Question 1

Para un vector $$\overline{u}$$ no unitario, el escalar $$\lambda$$ adecuado para obtener su vector unitario, es

Accepted Answer

$$\lambda=\frac{1}{\left|\overline{u}\right|}$$

Answer

$$\lambda=\frac{1}{\overline{u}}$$

Answer

$$\lambda=\left|\overline{u}\right|$$

Answer

$$\lambda=1$$

Question 2

En el esquema de la imagen, el vector $$\overline{c}$$ es igual a

Accepted Answer

$$\overline{c}=\overline{b}-\overline{a}$$

Answer

$$\overline{c}=\overline{b}+\overline{d}$$

Answer

$$\overline{c}=\overline{a}-\overline{b}$$

Answer

$$\overline{c}=\overline{b}+\overline{a}$$

Question 3

En el esquema de la imagen, el vector $$\overline{d}$$ es igual a

Accepted Answer

$$\overline{d}=\overline{b}+\overline{a}$$

Answer

$$\overline{d}=\overline{c}+\overline{a}$$

Answer

$$\overline{d}=\overline{c}-\overline{a}$$

Answer

$$\overline{d}=\overline{a}-\overline{b}$$

Question 4

El resultado de $$\overline{u}\cdot\overline{v}$$ es

Accepted Answer

<p>Un escalar</p>

Answer

Un vector paralelo a $$\overline{u}\ y\ \overline{v}$$

Answer

Un vector perpendicular a $$\overline{u}\ y\ \overline{v}$$

Answer

Un nuevo vector distinto a $$\overline{u}\ y\ \overline{v}$$

Vectores: conceptos básicos