Question
Download Solution PDFThe rate of change of velocity is called:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Acceleration.
Key Points
- Acceleration
- Velocity is the speed at which the motion travels.
- Average speed is the distance traveled per unit of time.
- It has both magnitude and direction.
- This is why it is called a vector quantity.
- Velocity is the speed of distance traveled or distance traveled per unit of time.
- Although velocity and speed seem to be the same, speed has only magnitude.
- Speed says nothing about the direction of the moving particle.
- This is why it is called a scalar quantity.
- The rate of change of velocity is called acceleration.
Additional Information
- Momentum:
- Momentum is a derived quantity, calculated by multiplying mass, m (a scalar quantity), by velocity, v (a vector quantity).
- This means that momentum has a direction and that direction is always the same as the speed of motion of an object.
- Speed:
- Speed is a measurable quantity that measures the ratio of the distance traveled by an object to the time it takes for the object to travel that distance.
- Force:
- Aristotle described a force as anything that causes an object to undergo "unnatural motion".
- Sir Isaac Newton was one of the first scientists to study gravity and force. Any kind of force just pushes or pulls.
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