Two Boxes Are Connected by a Weightless Cord Running Over

question 562

Essay

Two boxes are connected by a weightless cord running over a very light frictionless pulley as shown in the figure. Box A,of mass 8.0 kg,is initially at rest on the top of the table.The coefficient of kinetic friction between box A and the table is 0.10. Box B has a mass of 15.0 kg,and the system begins to move just after it is released.
(a) Draw the free-body diagrams for each of the boxes,identifying all of the forces acting on each one.
(b) Calculate the acceleration of each box.
(c) What is the tension in the cord?

---

Definitions:

Consumer Surplus

The variation between the total value consumers can and will offer for a good or service and the amount they actually expend.

White Water Rafting

An adventurous outdoor activity which involves navigating rivers with varying degrees of rough water in a raft.

Unit Cost

The expenses a company faces to manufacture, warehouse, and market a single unit of a specific product or service.

Administrative Burden

The costs and effort associated with compliance to regulations, paperwork, and procedural necessities in organizations or governmental bodies.