4. Un ladrillo fue colocado sobre una mesa, apo-
yado inicialmente como se muestra en A, y
po...
4. Un ladrillo fue colocado sobre una mesa, apo-
yado inicialmente como se muestra en A, y
posteriormente, en la posición B (vea la figura
de este ejercicio).
a) La fuerza con la cual el ladrillo comprime
la mesa en la posicion A,¿es igual, menor o mayor que en B?
b) La presión que el ladrillo ejerce sobre la mesa en A. ¿Es igual, menor o mayor que en B?
Answers: 2
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