Question

When a person understands why a lever helps them lift a heavy object, they are applying knowledge from:

• A. Life Science
• B. Chemical Science
• C. Social Science
• D. Physical Science

Answer 1

Answer:

D. Physical Science

• A lever is a simple machine, and the principle behind its operation—mechanical advantage—is a core concept taught in physical science (specifically, physics).

• This knowledge has numerous practical applications, from using a crowbar to opening a bottle.