Motion and Time Test

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Motion and Time Test - 19

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Weekly Quiz Competition

Question 1
1 / -0

The distance-time graph of the non-uniform motion is a _________ line

A
curved

B
straight

C
straight then curved

D
none of these

Solution

The distance-time graph of the non-uniform motion is a curved line as it covers unequal distances in equal intervals of time, hence option $$A$$ is correct.
Question 2
1 / -0

Which of the following is not an example of motion?

A
A car in traffic

B
A bus moving on a road

C
A tree

D
A pedestrian on the road

Solution

A tree is a still object that doesn't move, hence it is an example of a non-moving object, thus option $$C$$ is correct.
Question 3
1 / -0

Which of the following represents uniform motion?

A
A car travelling at a constant speed

B
A ball falling from the top of a building

C
A runner at their top speed

D
All of these

Solution

We know that if an object is traveling with uniform motion, it is moving in a straight line at a constant speed thus a car traveling at a constant speed is in uniform motion.
Now, a ball falling from a building experiences the same forces and makes the fall of the ball a uniform motion, similarly, a runner at their top speed runs in that same speed to maintain their rank hence they too have uniform motion. Thus, option $$D$$ is correct.
Question 4
1 / -0

Which of the following is a type of motion?

A
Circular

B
Linear

C
Oscillating

D
All of the above

Solution

The change in position of an object with respect to time is known as motion.
Motion in a straight line is called rectilinear motion.
In a circular motion, an object moves such that its distance from a fixed point remains the same.
Motion that repeats itself after some period of time, is called periodic motion
Question 5
1 / -0

Which of the following is an example of non-uniform motion?

A
Movement of an asteroid

B
A car coming to a halt

C
A bouncing ball

D
All of these

Solution

Movement of an asteroid, a car coming to a halt and a bouncing ball, all cover unequal distances in a time interval, hence they all are examples of non-uniform motion. The option D is correct.
Question 6
1 / -0

When one says an object is moving fast or slow, one is referring to the object's _________.

A
Speed

B
Weight

C
Colour

D
None of these

Solution

Speed is the term used when one is determining whether an object is fast or slow, hence option $$A$$ is correct. Speed tells us how much distance an object is covering in unit time interval. Faster objects cover greater distances than the slower objects in the same given time interval.
Question 7
1 / -0

What can help decide which object is moving fast or slow?

A
The distance

B
The time

C
Both $$A$$ and $$B$$

D
None of these

Solution

The distance moved by objects in a given interval of time can help us to decide which one is faster or slower, hence option $$C$$ is correct.
Question 8
1 / -0

Which of the following correctly defines periodic motion?

A
A motion with unequal acceleration

B
A motion that repeats itself after equal intervals of time

C
A motion with equal speed but varied distances

D
None of these

Solution

A motion that repeats itself after equal intervals of time is known as periodic motion. For example, a swing in motion.
Question 9
1 / -0

Which of the following is an example of uniform circular motion?

A
Movement of blades of a ceiling fan

B
The motion of a train

C
An object falling

D
None of these

Solution

The movement of a body along a circular path is known as a circular motion. When the body moves with a constant speed, it is said to be a uniform circular motion.

In the given options, movement of blades of a ceiling fan is an example of a uniform circular motion.
Question 10
1 / -0

One day, hare and tortoise decided to race against each other. They have to cover the distance of $$10\ km$$. Hare decides to use a bicycle and the tortoise decides to use a car. They both started at the same time.
Who will win the race?

A
Hare

B
Tortoise

C
Both reach at the same time

D
Insufficient data

Solution

The tortoise wins the race because the car moves at a faster pace than the bicycle.

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Re-Attempt Weekly Quiz Competition

Motion and Time Test - 19

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Motion and Time Test - 19

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SHARING IS CARING

Question 1

curved

straight

straight then curved

none of these

Solution

Question 2

A car in traffic

A bus moving on a road

A tree

A pedestrian on the road

Solution

Question 3

A car travelling at a constant speed

A ball falling from the top of a building

A runner at their top speed

All of these

Solution

Question 4

Circular

Linear

Oscillating

All of the above

Solution

Question 5

Movement of an asteroid

A car coming to a halt

A bouncing ball

All of these

Solution

Question 6

Speed

Weight

Colour

None of these

Solution

Question 7

The distance

The time

Both $$A$$ and $$B$$

None of these

Solution

Question 8

A motion with unequal acceleration

A motion that repeats itself after equal intervals of time

A motion with equal speed but varied distances

None of these

Solution

Question 9

Movement of blades of a ceiling fan

The motion of a train

An object falling

None of these

Solution

Question 10

Hare

Tortoise

Both reach at the same time

Insufficient data

Solution

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