Answer :

Answer:

The concepts of uniform velocity and nonuniform velocity pertain to how an object's velocity changes (or doesn't change) over time. Here are the differences:

### Uniform Velocity:

- **Definition**: An object is said to have a uniform velocity if it covers equal distances in equal intervals of time, irrespective of how small these intervals are.

- **Characteristics**:

- The magnitude and direction of the velocity remain constant.

- The object moves in a straight line at a constant speed.

- There is no acceleration, as the velocity is not changing.

- **Graphical Representation**: On a distance-time graph, uniform velocity is represented by a straight line with a constant slope.

### Nonuniform Velocity:

- **Definition**: An object is said to have a nonuniform velocity if it covers unequal distances in equal intervals of time or changes direction while moving.

- **Characteristics**:

- The magnitude and/or direction of the velocity change.

- The object may speed up, slow down, or change direction.

- There is acceleration (positive or negative) or change in direction because the velocity is changing.

- **Graphical Representation**: On a distance-time graph, nonuniform velocity is represented by a curve, indicating the change in distance covered over time.

### Summary:

- **Uniform Velocity**: Constant speed and direction (no change in velocity).

- **Nonuniform Velocity**: Variable speed and/or direction (change in velocity).

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Answer:

Uniform velocity :

  • An item with constant velocity travels the same distance in the same amount of time.

  • A uniformly moving item has a fixed direction.

  • Example: A traveling object with a uniform velocity of 10km/h towards the north.

Non-uniform velocity :

  • When such an item travels different lengths in equal intervals mostly in a specific orientation.

  • When the direction of motion fluctuates, it would seem to be non-uniform.

  • Example: A constant-speed spinning fan with changing velocity.

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