Two Blocks Rest on a Horizontal Frictionless Surface as Shown

question 90

Multiple Choice

Two blocks rest on a horizontal frictionless surface as shown. The surface between the top and bottom blocks is roughened so that there is no slipping between the two blocks. A 30-N force is applied to the bottom block as suggested in the figure.
-What is the acceleration of the "two block" system?

• A)1 m/s²
• B)2 m/s²
• C)3 m/s²
• D)6 m/s²
• E)15 m/s²

---

Definitions:

Nicotine

A stimulant and addictive substance found primarily in tobacco products.

Alcohol

A colorless, volatile liquid that is the active ingredient in drinks such as beer, wine, and spirits, and is also used in sterilization and as a fuel source.

Caffeine

A natural stimulant found in coffee, tea, chocolate, and certain medications that affects the central nervous system, enhancing alertness and reducing tiredness.

Morphine

A powerful opiate analgesic drug derived from the opium poppy used to relieve severe pain.