Answer:
Prophet Muhammad (peace be upon him) changed the people's beliefs, their behavior, their customs, and their social norms, and he did so by convincing them with kindness and gentle persuasion. He did not force people to agree with him.
Answer:
Work is done whenever a force or a component of a force results in a displacement. No component of the force is acting in the direction of motion when the book is moved horizontally with a constant velocity. The force and the displacement are independent.
I read 1989 instead of 1889 when I answered this question I'm really sorry about that
They we're rivals of the sea and the land in the new world.