FIGURE 4-7 -Two Boxes Are Connected by a Cord Running Over a Running

question 76

Essay

FIGURE 4-7
-Two boxes are connected by a cord running over a pulley as shown in Fig. 4-7. Box I of mass 8.0 kg rest on the top of the table; the coefficient of kinetic friction between box I and the table is 0.10. Box II has a mass of 15.0 kg.
(a) Draw the free-body diagrams for the two boxes, identifying all of the forces acting on each of the masses.
(b) Calculate the acceleration of the system.
(c) Calculate the tension in the cord.

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Definitions:

Social Play

A type of play involving interaction with peers, important for developing social skills and bonds.

Parallel Play

A developmental stage in early childhood where children play next to each other but do not interact or play together, signaling the beginning of socializing behaviors.

Reflexive Play

A type of play activity that involves spontaneous, unplanned movements and actions, often seen in infants.

Self-Concept

An individual's perception of themselves, including their beliefs, feelings, and thoughts about their own identity.