FIGURE 5-4
-A 4.00-kg block rests between the floor and a 3.00-kg block as shown in Fig. 5-4. The 3.00-kg block is tied to a wall by a horizontal rope. If the coefficient of static friction is 0.800 between each pair of surfaces in contact, what force must be applied horizontally to the 4.00-kg block to make it move?
A)16.2 N
B)54.9 N
C)21.1 N
D)23.5 N
E)78.5 N

Question

FIGURE 5-4 
-A 4.00-kg block rests between the floor and a 3.00-kg block as shown in Fig. 5-4. The 3.00-kg block is tied to a wall by a horizontal rope. If the coefficient of static friction is 0.800 between each pair of surfaces in contact, what force must be applied horizontally to the 4.00-kg block to make it move?
A)16.2 N 
B)54.9 N 
C)21.1 N 
D)23.5 N 
E)78.5 N

Quizplus · Accepted Answer

The Answer of FIGURE 5-4 
-A 4.00-kg block rests between the floor and a 3.00-kg block as shown in Fig. 5-4. The 3.00-kg block is tied to a wall by a horizontal rope. If the coefficient of static friction is 0.800 between each pair of surfaces in contact, what force must be applied horizontally to the 4.00-kg block to make it move?
A)16.2 N 
B)54.9 N 
C)21.1 N 
D)23.5 N 
E)78.5 N

FIGURE 5-4 -A 4.00-Kg Block Rests Between the Floor and a 3.00-Kg