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Chapter 2: Problem 61

What are uniform speed and non-uniform speed? Explain, with suitable examples

Short Answer

Expert verified
Uniform speed refers to an object covering equal distances in equal intervals of time, meaning its speed remains constant throughout its motion. For example, a car moving in a straight line at a constant speed of 60 km/h would be considered uniform speed. Non-uniform speed occurs when an object covers unequal distances in equal intervals of time or vice versa, indicating that its speed is changing during its motion. An example of non-uniform speed is a car accelerating from rest to 60 km/h in 10 seconds and then slowing down to 30 km/h in the next 5 seconds, as the distances covered in the first 5 seconds and the next 5 seconds are not the same.

Step by step solution

01

Define uniform speed

Uniform speed is when an object covers equal distances in equal intervals of time. It means that the object has a constant speed throughout its motion.
02

Provide an example of uniform speed

Let's consider a car moving in a straight line at a constant speed of 60 km/h. In this case, the car would cover a distance of 60 km every hour. As it is moving at a constant speed and covering equal distances in equal time intervals, this is an example of uniform speed.
03

Define non-uniform speed

Non-uniform speed is when an object covers unequal distances in equal intervals of time or vice versa. This means that the object's speed is changing during its motion.
04

Provide an example of non-uniform speed

Consider a car accelerating from rest to 60 km/h in 10 seconds and then slowing down to 30 km/h in the next 5 seconds. In this case, the car covers different distances in equal intervals of time (e.g. the distances covered in the first 5 seconds and the next 5 seconds are not the same). This is an example of non-uniform speed. In summary, uniform speed refers to constant speed throughout an object's motion, while non-uniform speed refers to a changing speed during the motion.

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Most popular questions from this chapter

A simple pendulum of length ' \(\ell\) ' and time period ' \(\mathrm{T}\) ' on earth is taken onto the surface of moon. How should the length of the simple pendulum be changed on the moon such that the time period is constant. (Take \(\left.g_{e}=6 g_{i n}\right)\)

When do we say that a pendulum has completed one oscillation?

The time period of a pendulum is independent of (1) length of the pendulum (2) mass of the bob (3) shape of the bob (4) Both (2) and (3)

What is meant by average speed? How is it calculated?

Give two examples for each of the motion along a straight line, circular motion and periodic motion.
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