A 50-Kg Block and a 4

question 54

Short Answer

A 5.0-kg block and a 4.0-kg block are connected by a 0.6 kg rod, as shown in the figure.
The links between the blocks and the rod are denoted by A and B. A vertical upward force
of magnitude F is applied to the upper block. The blocks and rod assembly are moving
downward at constant velocity of 85 cm/s.
(a) What is the magnitude of the applied force F?
(b) What magnitude force does link A exert?

---

Definitions:

Niacin

A water-soluble B vitamin (B3) that is essential for energy metabolism and the health of the nervous system, skin, and digestive system.

GERD

Gastroesophageal Reflux Disease, a chronic condition where stomach acid flows back into the esophagus, causing heartburn and other symptoms.

Stomach Acids

The digestive fluids secreted by the stomach’s lining, consisting mainly of hydrochloric acid, pepsin, and intrinsic factor, crucial for breaking down food and killing pathogens.

Esophagus

The muscular tube that connects the throat (pharynx) with the stomach; it's responsible for transporting food and liquids.