Nowhere unless propelled and then in the direction it is propelled.
That's the definition of its velocity vector.
Work
Yes, the plural noun 'directions' is a common noun, a general word for the courses along which someone or something moves; a general word for instructions.The singular noun 'direction' is an uncountable, common noun, a general word for guidance, leadership, management.
Peristalsis moves food in one direction.
Due to Newton's 3rd law of motion the astronaut would move in the opposite direction unless he/she is braced against something.
Peristalsis moves food in one direction.
It moves in the direction of the force acting on it.
No, the word 'directions' is a common noun, the plural form of the noun 'direction', a general word for the course along which someone or something moves; a general word for the management or guidance of someone or something.A proper noun is the name of a specific person, place, or thing.
The noun 'direction' is an abstract noun as a word for the management or guidance of someone or something; a word for a trend; a word for a concept.The noun 'direction' is a concrete noun as a word for the line or course along which something moves, lies, or points; a word for a physical course.
speedIn physics:If the direction doesn't matter, the word "speed" is used.If the direction DOES matter, the word "velocity" is used.
it moves hot to cold.