Slanted Surfaces with Friction: Two Blocks Are Connected by a String

question 68

Multiple Choice

Slanted surfaces with friction: Two blocks are connected by a string that goes over an ideal pulley as shown in the figure. Block A has a mass of 3.00 kg and can slide over a rough plane inclined 30.0° to the horizontal. The coefficient of kinetic friction between block A and the plane is 0.400. Block B has a mass of 2.77 kg. What is the acceleration of the blocks?

• A) 0.392 m/s²
• B) 1.96 m/s²
• C) 3.12 m/s²
• D) 5.35 m/s²
• E) 0.00 m/s²

---

Definitions:

Physical Commodities

Raw materials or primary agricultural products that can be bought, sold, or traded, often through futures contracts.

Barter

The direct exchange of goods and services between parties without the use of money.

Electronic Entries

Transactions or records created and stored in digital form, often used in banking and bookkeeping.

Absence

The state of something being not present or lacking.