Answer:
<em><u>1. Work is activity involving mental or physical effort done in order to achieve a purpose or result.</u></em>
<em><u>2. Positive work and Negative work.</u></em>
Explanation:
<u><em>1. Work is defined as a force causing the movement—or displacement—of an object. In the case of a constant force, work is the scalar product of the force acting on an object and the displacement caused by that force.</em></u>
<u><em>2. Positive work is when the force and the displacement are in the same direction and Negative work is when the force and the displacement are in the opposite direction.</em></u>
Answer:
A. vary across societies and over time.
Explanation:
- A social problem is one that usually refers to the society that disturbs and damaged by the crime and the racism and is a societal issue that can inflict many people and strives to solves the issue.
The Star-Spangled Banner is a poem written by the then 35-year-old lawyer, amateur poet Francis Scott Key on 14 September 1814. Key was a witness to the Fort McHenry bombing by British Royal Navy ships in the port of Baltimore. The bombing occurred during the Battle of Baltimore, in the war of 1812. The poet wrote this poem because he was inspired by the great American flag with 15 stars and 15 stripes. The flag is known as the Star-Spangled Banner, which triumphantly flared during the US victory.
The answer is: Battle of Baltimore between British invaders and Americn defenders in the war of 1812.
