In Building a House of Cards,two Cards Are Propped Up $\circ$

Multiple Choice

In building a house of cards,two cards are propped up against each other to form an inverted V.The length of each card is 88 mm and the mass of each card is 1.8 g.Both cards are tipped at an angle of 25 ^$\circ$ from vertical.Calculate the magnitude and direction of the friction force acting on the base of the card on the left required to keep the card structure from collapsing.

A) 1.77 * 10^-2 N to right
B) 8.83 * 10^-2 N to right
C) 4.12 * 10^-3 N to right
D) 1.77 * 10^-2 N to left
E) 4.12 * 10^-3 N to left