When a book is placed ona horizontal surface, it is subject to two external forces
Answers
Answer:
A politician is a person active in party politics, or a person holding or seeking an elected seat in government. Politicians propose, support, and create laws that govern the land and, by extension, its people.
Explanation:
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Answer:
True.
Explanation:
Force is defined as a vector quantity that tends to produce an acceleration of a body in the direction of its application. Changing the body's velocity causes the body to accelerate. Therefore, force can be mathematically defined as given by Newton's second law of motion. That is, F=ma, where,
F - force on the object
m - mass of the object
a - acceleration of the object.
Force is characterized by its point of application, its magnitude, and its direction.
Two or more forces may act upon an object without affecting its state of motion. For example, a book resting upon a table has a downward force acting on it caused by gravity and an upward force exerted on it from the table top. These two forces cancel and the net force of the book is zero.
Hence, the statement is true.