The Minimum Force That Must Be Applied to a Machine

question 42

Multiple Choice

The minimum force that must be applied to a machine with a mechanical advantage of 5 in order to lift a 100-kg crate is

• A) 20 N.
• B) 196 N.
• C) 500 N.
• D) 4900 N.

---

Definitions:

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, characterized by active brain patterns, dream occurrence, and temporary muscle paralysis.

Very Relaxed Muscles

A state of low tension in muscle fibers, often achieved through relaxation techniques, leading to reduced physical stress and strain.

Sleep Patterns

The natural cycle of various stages of sleep including REM and non-REM stages that repeats throughout the night.

Genetically Influenced

Traits or conditions that are shaped in part by genes inherited from one's parents.