What produces acceleration?
To find: The cause for acceleration.
Answer to Problem 1A
Change in speed or direction or both can cause acceleration
Explanation of Solution
Introduction:
The speed of an object is a scalar quantity and mentioning the variation of speed of an object along with the direction of motion makes it a vector quantity which is velocity.
When an object undergoes a variation in its speed or its direction of motion, sometimes both speed and direction over a period of time, the object undergoes acceleration. It can be expressed as how quickly the speed of an object gets varied with time. Mathematically, this is given by,
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