Shalini Samadhiya Solutions for Exercise 5: Exercises

Describe the time period, oscillation, and amplitude of a simple pendulum with the help of a diagram.

What is meant by uniform motion? Write the steps to plot a distance-time graph for a body showing uniform motion on a graph paper.

A car travels a distance of $320 \mathrm{km}$ in $6 \mathrm{hr}$. Find its speed in $\mathrm{km}/\mathrm{h}$ and $\mathrm{m}/\mathrm{s}$.

A train is travelling at a uniform speed of  $140 \mathrm{km}/\mathrm{h}$. How long will it take to cover a distance of $560 \mathrm{km}$ ?

In which of the following cases, the pendulum will move faster? Give reasons for your answer.

Radha has a pendulum which she has made by tying a stone to a thread. Its time period is one second. How can she reduce the time period of the pendulum?

Ravi and Mohan are travelling by bus. Ravi says that he is at rest and not in motion. How can Ravi prove that he is making a correct statement?

Priya is using a sand clock instead of a stopwatch for an event. What are the disadvantages of using a sand clock?