A 18-Kg Block Is Released from Rest at the Top of of a Rough

question 84

Multiple Choice

A 1.8-kg block is released from rest at the top of a rough 30° inclined plane. As the block slides down the incline, its acceleration is 3.0 m/s² down the incline. Determine the magnitude of the force of friction acting on the block.

• A) 4.2 N
• B) 3.0 N
• C) 3.4 N
• D) 3.8 N
• E) 2.3 N

---

Definitions:

Spot Market

A public financial market in which commodities, currencies, or securities are bought and sold for immediate delivery.

Donkey Rental

A service sector business involving the temporary leasing of donkeys, often for transport or tourist purposes.

Industrial Sales

Transactions involving goods or services sold from one business to another for operational or production purposes, typically in large quantities.

Production Capacity

The maximum output rate that a facility can achieve under normal operating conditions.