The basic unit of speed is:
- Akm/min
- Bm/min
- Ckm/h
- ✓m/s
Answer: D.
View full solution →Question types
Motion and Time question types
316 questions across 7 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
316
Questions
7
Question groups
5
Question types
01
MCQ (1 Marks)
157 Q→02True False[1 Marks ]
18 Q→03Fill In The Blanks With Correct Alternative.[1 Marks Each]
17 Q→041 Marks Question
50 Q→052 Marks Questions
40 Q→063 Marks Question
23 Q→075 Marks Questions
11 Q→Sample Questions
Motion and Time questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Which of the following relations is correct?
- ASpeed = Distance × Time
- ✓Speed $=\frac{\text { Distance }}{\text { Time }}$
- CSpeed $=\frac{\text { Time }}{\text { Distance }}$
- DSpeed $=\frac{1}{\text { Distnace } x \text { Time }}$
Answer: B.
View full solution →Which of the following distance-time graphs shows a truck moving with speed which is not constant?
- A
- B
- ✓
- D
Answer: C.
View full solution →A car moves with a speed of $40 \ km/h$ for $15$ minutes and then with a speed of $60 \ km/h$ for the next $15$ minutes. The total distance covered by the car is:
- A$100 \ km$
- ✓$25 \ km$
- C$15 \ km$
- D$10 \ km$
Answer: B.
View full solution →A car travels first $60\ km$ of a distance in 1hr, next $70\ km$ of the distance in next hour and remaining $20\ km$ distance in final hour. Then, its motion is:
- AUniform motion.
- ✓Non - uniform motion.
- CEither uniform or non - uniform motion.
- DNeither uniform nor non-uniform motion.
Answer: B.
View full solution →The speed of a train is expressed in m/h.
True
False
The time period of a given pendulum is constant.
True
False
Distances between two cities are measured in kilometres.
True
False
Every object moves with a constant speed.
True
False
The basic unit of time is second.
- True
- False
The working of a pendulum clock is based on the $.........$ of its pendulum.
View full solution →Fill in the Blank. Motion of objects can be represented in the pictorial form by their $.........$ graph.
View full solution →A faster moving object covers more distance in $.........$ time.
View full solution →The symbol of all units is written in $.........$
View full solution →Motion of the hammer of an electric bell is $.........$ motion.
View full solution →What do you mean by the statement, "car is moving with the speed of 50Km per hour"?
Name the axis that represents dependent variable.
Name the device used to measure speed.
Define non-uniform motion.
Explain how time was measured when pendulum clocks were not available.
Show the shape of the distance-time graph for the motion in the following cases:
A car moving with a constant speed.
Show the shape of the distance-time graph for the motion in the following cases:
A car parked on a side road.
The distance between two stations is $240\ km$. A train takes 4$$ hours to cover this distance. Calculate the speed of the train.
View full solution →A simple pendulum takes $32\ s$ to complete $20$ oscillations. What is the time period of the pendulum?
View full solution →Classify the given motion:
Motion of a train on a straight bridge.
straight line motion
circular motion
oscillatory motion
Salma takes $15$ minutes from her house to reach her school on a bicycle. If the bicycle has a speed of $2\ m/s,$ calculate the distance between her house and the school.
View full solution →Suppose the two photographs, shown in Figure $1$ and Figure $2,$ had been taken at an interval of $10$ seconds. If a distance of $100$ metres is shown by $1\ cm$ in these photographs, calculate the speed of the blue car.
Figure 1 Vehicles moving in the same direction of on a road
Figure 2 Position of vehicles shown in Figure 1 after some time
View full solution →Figure 1 Vehicles moving in the same direction of on a road
Figure 2 Position of vehicles shown in Figure 1 after some time
What are the points that should be kept in mind while choosing scale for drawing graph?
Give Reasons: The time measured by quartz clocks is much more accurate than that by the clocks available earlier.
The average age of children of Class $VII$ is $12$ years and $3$ months. Express this age in seconds.
View full solution →The odometer of a car reads $57321.0 \ km$ when the clock shows the time $08:30 \ AM$. What is the distance moved by the car, if at $08:50 \ AM$, the odometer reading has changed to $57336.0 \ km$? Calculate the speed of the car in km/min during this time. Express the speed in km/h also.
View full solution →Figure shows the distance-time graph for the motion of two vehicles A and B. Which one of them is moving faster?
Figure: Distance-time graph for the motion of two cars
The odometer of a car reads $57321.0km$ when the clock shows the time $08:30 AM$. What is the distance moved by the car, if at $08:50 AM$, the odometer reading has changed to $57336.0km?$ Calculate the speed of the car in km/ min during this time. Express the speed in km/ h also.
View full solution →Classify the following as motion along a straight line, circular or oscillatory motion.
- Motion of our hands while running.
- Motion of a horse pulling a cart on a straight road.
- Motion of a kid in a merry-go-round.
- Motion of a child on a see-saw.
- Motion of the hammer of an electric bell.
- Motion of a train on a straight bridge.
With the help of the data given in the following table, show graphically the relationship between the diameter and circumference of a circle.
View full solution →|
Diameter of the circle (cm)
|
Circumference of the circle (cm)
|
|
$1$
|
$3.2$
|
|
$2$
|
$6.3$
|
|
$3$
|
$9.4$
|
|
$4$
|
$12.6$
|
|
$5$
|
$15.7$
|
|
$6$
|
$18.8$
|
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