A 20-Kg Block Slides on a Frictionless 15° Inclined Plane

question 41

Multiple Choice

A 2.0-kg block slides on a frictionless 15° inclined plane. A force acting parallel to the incline is applied to the block. The acceleration of the block is 1.5 m/s² down the incline. What is the applied force?

• A) 8.1 N down the incline
• B) 3.0 N down the incline
• C) 2.1 N up the incline
• D) 3.0 N up the incline
• E) 8.1 N up the incline

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Definitions:

Photosynthetic Stem

A stem that performs photosynthesis, similar to leaves, commonly found in plants living in arid environments.

Succulents

Plants with thick, fleshy parts adapted to store water, enabling them to survive in arid conditions.

Stolon

A horizontal branch from the base of a plant that produces new plants from buds at its tips, contributing to asexual reproduction and spreading.

Runners

In botany, horizontal stems that grow at the soil surface or just below ground, producing new plants at their nodes; in athletics, individuals who engage in running as a sport.