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Problem 5 Two blocks are in contact on a frictionless table. A horizontal force is applied to the larger block as shown in figure 5.50. Given: m1 = 2.3 kg, m2 = 1.2 kg, and F = 3.2 N. a) Find the magnitude of the acceleration of the blocks. Hint: work on the system b) Find the magnitude of the force between the two blocks. Figure 5-50 Problem 55. For problems with friction, only kinetic friction will be discussed. The kinetic friction is related to the normal force according to the equation fk = ?kFN. So, for problems with kinetic friction, use the following steps 1- draw your Free Body Diagram 2- Fnet,x = max Fnet,y = may 3- But now we also need fk = ?F a) Use the figure above to draw a free-body diagram of blocks A and B. Blocks mA = 7.0 kg is connected by a massless string to block mB = 5.0kg via a massless and frictionless pulley. Mass mA moves up the inclined plane of inclination ? = 30°. The coefficient of kinetic friction between block A and the incline is ?k = 0.2.

          Problem 5
Two blocks are in contact on a frictionless table. A horizontal force is applied to the larger block as shown in figure 5.50. Given: m1 = 2.3 kg,
m2 = 1.2 kg, and F = 3.2 N.
a) Find the magnitude of the acceleration of the blocks. Hint: work on the system
b) Find the magnitude of the force between the two blocks.
Figure 5-50
Problem 55.
For problems with friction, only kinetic friction will be discussed. The kinetic friction is related to the normal force according to the equation fk = ?kFN. So, for problems with kinetic friction, use the following steps
1- draw your Free Body Diagram
2- Fnet,x = max Fnet,y = may
3- But now we also need fk = ?F
a) Use the figure above to draw a free-body diagram of blocks A and B.
Blocks mA = 7.0 kg is connected by a massless string to block mB = 5.0kg via a massless and frictionless pulley. Mass mA moves up the inclined plane of inclination ? = 30°. The coefficient of kinetic friction between block A and the incline is ?k = 0.2.

Problem 5
Two blocks are in contact on a frictionless table. A horizontal force is applied to the larger block as shown in figure 5.50. Given: m1 = 2.3 kg,
m2 = 1.2 kg, and F = 3.2 N.
a) Find the magnitude of the acceleration of the blocks. Hint: work on the system
b) Find the magnitude of the force between the two blocks.
Figure 5-50
Problem 55.
For problems with friction, only kinetic friction will be discussed. The kinetic friction is related to the normal force according to the equation fk = ?kFN. So, for problems with kinetic friction, use the following steps
1- draw your Free Body Diagram
2- Fnet,x = max Fnet,y = may
3- But now we also need fk = ?F
a) Use the figure above to draw a free-body diagram of blocks A and B.
Blocks mA = 7.0 kg is connected by a massless string to block mB = 5.0kg via a massless and frictionless pulley. Mass mA moves up the inclined plane of inclination ? = 30°. The coefficient of kinetic friction between block A and the incline is ?k = 0.2.

Added by Ismael A.

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