* Velocity is the rate of change of position. If an object is stationary (velocity = 0), it means it's not moving at that instant.
* Acceleration is the rate of change of velocity. This means acceleration is how quickly the velocity is changing.
Here are some scenarios where velocity is 0 but acceleration is not:
* An object at the peak of its trajectory: When you throw a ball straight up, it momentarily stops at the highest point. At that instant, its velocity is 0. However, gravity is still acting on it, causing it to accelerate downwards.
* A car at a red light: A car stopped at a red light has a velocity of 0. However, when the light turns green, the car accelerates forward.
* A ball bouncing: Just before and after a bounce, the ball's velocity is 0. But during the bounce, the ball experiences a rapid change in velocity, resulting in high acceleration.
In summary: While zero velocity implies no movement at that particular moment, it doesn't necessarily mean the object is not accelerating. Acceleration measures how quickly the velocity is changing.