Una fuerza F de 50 N se aplica a un freno de mano momento de fuerza de F respecto de O

the answer is b, have negligible mass

there are no components of a physical goal mentioned on the list of choices that you've provided.

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.