Motion
Define distance and displacement. State one main difference between them.
Define speed and velocity. Mention their SI units.
What is meant by average speed? Write its formula and SI unit.
Define acceleration. Write its formula and standard SI unit.
Explain uniform circular motion with the help of a suitable example.
What does the area under a velocity-time graph represent? Explain briefly.
Write the first equation of motion and define all the terms involved in it.
Write the second equation of motion and explain each symbol used.
A bus decreases its speed from $80\text{ km/h}$ to $60\text{ km/h}$ in $5\text{ s}$. Find the acceleration of the bus.
What is meant by displacement? How is it different from distance in terms of scalar and vector quantities?
What does the slope of a distance-time graph and a velocity-time graph represent?
Define acceleration. State its SI unit and explain what is meant by negative acceleration (retardation).
Differentiate between distance and displacement covered by a body in motion.
What is uniform circular motion? Why is uniform circular motion considered to be an accelerated motion?
A train starting from rest attains a velocity of $72\text{ km/h}$ in $5\text{ minutes}$. Assuming that the acceleration is uniform, find the acceleration of the train.
What is the SI unit of acceleration?
An athlete completes one round of a circular track of radius $R$. What is the magnitude of displacement of the athlete?
An object travels $16\text{ m}$ in $4\text{ s}$ and then another $16\text{ m}$ in $2\text{ s}$. What is the average speed of the object?
If the distance-time graph of an object is a straight line parallel to the time axis, what does it indicate about the state of the object?
Which of the following equations represents the third equation of motion?
A car accelerates uniformly from $18\text{ km/h}$ to $36\text{ km/h}$ in $5\text{ s}$. What is its acceleration?
A bus starting from rest moves with a uniform acceleration of $0.1\text{ m/s}^2$ for $2\text{ minutes}$. What is the distance traveled by the bus?
Which of the following relations between displacement and distance is always correct for a moving body?
What is the nature of the velocity-time graph for an object moving with a uniform velocity?
A stone is thrown vertically upwards with an initial velocity of $5\text{ m/s}$. If the acceleration due to gravity is $10\text{ m/s}^2$ downward, what is the maximum height reached by the stone?
Which formula correctly defines acceleration ($a$) in terms of initial velocity ($u$), final velocity ($v$), and time ($t$)?
The shortest distance measured from the initial to the final position of an object is known as ___.
The rate of change of velocity per unit time is called ___.
The area enclosed by the velocity-time graph and the time axis represents the magnitude of ___.
The device fitted in automobiles to measure the distance traveled is called an ___.
The slope of a velocity-time graph gives the magnitude of ___.
When an object is thrown vertically upwards, its velocity at the highest point becomes ___.
The mathematical expression for the second equation of motion is s = ut + 1/2 ___ t².
The third equation of motion is expressed as 2as = ___.