Punctuation: Quotation Marks. Double quotation marks are used for direct quotations and titles of compositions such as books, plays, movies, songs, lectures and TV shows. They also can be used to indicate irony and introduce an unfamiliar term or nickname. Single quotation marks are used for a quote within a quote.
The reason the law of attraction does not work for 99% of the people is because most people donât understand the difference between setting goals, which is an imaginative and rational process, and achieving goals, which is mostly a habitual and emotional process.
When there is relative motion between two surfaces, there is a resistance to the motion. This force is called friction. Friction is the reason why people could not accept Newton's first law of Motion, that an object tends to keep its state of motion. Friction acts opposite to the direction of the original force. The frictional force is equal to the frictional coefficient times the normal force.