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156 Exercises 1: Motion Classification

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Questions and Answers

Which type of motion is exhibited by the motion of a child in a merry-go-round?

Circular motion (correct)

Oscillatory motion

Random motion

Motion along a straight line

Which statement about the basic unit of time is incorrect?

Every object moves with a constant speed. (correct)

The basic unit of time is second.

Distances between two cities are measured in kilometers.

The time period of a given pendulum is constant.

If a simple pendulum takes 32 s to complete 20 oscillations, what is the frequency of the pendulum?

$\frac{1}{32}$ Hz

$\frac{32}{20}$ Hz

$\frac{20}{32}$ Hz (correct)

$\frac{1}{20}$ Hz

If a train covers a distance of 240 km in 4 hours, what is the average speed of the train in m/s?

30 m/s Signup and view all the answers

If the odometer reading of a car changes from 57321.0 km to 57336.0 km in 20 minutes, what is the speed of the car in km/h?

$\frac{15}{20}$ km/h Signup and view all the answers

If Salma takes 15 minutes to reach her school on a bicycle with a speed of 2 m/s, what is the distance between her house and school?

1 km Signup and view all the answers

156 Exercises 1: Motion Classification

Choose a study mode

Podcast

Questions and Answers

Which type of motion is exhibited by the motion of a child in a merry-go-round?

Which statement about the basic unit of time is incorrect?

If a simple pendulum takes 32 s to complete 20 oscillations, what is the frequency of the pendulum?

If a train covers a distance of 240 km in 4 hours, what is the average speed of the train in m/s?

If the odometer reading of a car changes from 57321.0 km to 57336.0 km in 20 minutes, what is the speed of the car in km/h?

If Salma takes 15 minutes to reach her school on a bicycle with a speed of 2 m/s, what is the distance between her house and school?

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