Motion and Measurement of Distances Test

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Motion and Measurement of Distances Test - 22

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Weekly Quiz Competition

Question 1
1 / -0

James climb on the roof of a 7 story building and drops a stone from there. What kind of motion does the stone have?

A
Uniform motion

B
Balance motion

C
Rectilinear motion

D
Non rectilinear motion

E
None of these
Question 2
1 / -0

When no force acts on a body, it must be .............

A
Moving

B
At rest

C
In uniform motion

D
Either B or C

Solution

According to newton's law:
If an object experiences no net force, its velocity will remain constant. The object is either at rest and the velocity is zero, or it moves in a straight line with a constant speed.
Question 3
1 / -0

Use of public transport system instead of private vehicles

A
Increases pollution

B
Decreases pollution

C
Does not effect pollution

D
None of the above

Solution

Use of public transport system instead of private vehicles decreases pollution as it can be used by many people at the same time, hence reducing the number of vehicles on the road. It decreases fuel consumption and pollution.

Hence option B is correct.
Question 4
1 / -0

While measuring the length of a knitting needle with a ruler, the reading of the ruler at one end is $$3.0 cm$$ and at the other end is $$33.1 cm.$$ What is the length of the needle?

A
$$33.1 cm$$

B
$$3.0 cm$$

C
$$30.1 cm$$

D
$$36.1 cm$$

Solution

Length of the needle $$= 33.1 - 3.0$$ cm $$= 30.1$$ cm.
Question 5
1 / -0

What is the smallest measurement unit of the length out of these?

A
$$1\ Centimetre\ (cm)$$

B
$$1\ Millimetre\ (mm)$$

C
$$1\ Kilometre\ (km)$$

D
$$1\ Metre\ (m)$$

E
None of these

Solution

We know,
$$1\ cm=0.01\ m$$
$$1\ mm=0.001\ m$$
$$1\ km=1000\ m$$
Out of these, $$1\ mm$$ is the smallest measurement unit of the length.
Question 6
1 / -0

Motion is change in the _______ of an object with _______.

A
Time, position

B
Position, time

C
Movement, position

D
None of these

Solution

Motion is defined as a change in position of an object with respect to time, thus option $$B$$ is correct.
Question 7
1 / -0
Identify which among the following are at rest -
- Fish in water
- Wall
- House
- Table
A
Fish in water, Wall, Table

B
Fish in water, Wall, House

C
Wall, House, Table

D
Fish in water, House, Table

Solution

Wall, House, Table are at rest because they are fixed at one place their position is not changing.
But fish in water is in motion because the water is also flowing and the fish is also moving with water so it's position is changing with time so it is said to be in motion.
Question 8
1 / -0

The invention of wheels were used to make transport vehicles such as

A
Airplane

B
Bullock carts

C
Automobiles

D
All of the above

Solution

The invention of wheels were used to make transport vehicles such as Airplane,
Bullock carts, Automobiles.
Question 9
1 / -0

Place them in the correct order - from the earliest modes of transport to the most recent ones.

A
bus, bullock cart, bicycle, airplane, trains, ship.

B
airplane, bus, bicycle, ship, trains, bullock cart.

C
bullock cart, ship, trains, bicycle, bus, airplane.

D
ship, bullock cart, trains, bicycle, airplane, bus

Solution

The correct order is - bullock cart, ship, trains, bicycle, bus, airplane.
Question 10
1 / -0

An electric fan switched on in your room is said to be in motion, even though the fan is fixed to the ceiling. It is because:

A
Fan is moving from place to place

B
The blades of fan changes its position with time

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

D
None of these

Solution

In a circular motion, an object moves such that its distance from a fixed point remains the same. For example, the blades of a fan.
An electric fan switched on in your room is said to be in motion, even though the fan is fixed to the ceiling because the blades of the fan change their position with time. It will move in a circular motion.

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Re-Attempt Weekly Quiz Competition

Motion and Measurement of Distances Test - 22

Result

Motion and Measurement of Distances Test - 22

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SHARING IS CARING

Question 1

Uniform motion

Balance motion

Rectilinear motion

Non rectilinear motion

None of these

Question 2

Moving

At rest

In uniform motion

Either B or C

Solution

Question 3

Increases pollution

Decreases pollution

Does not effect pollution

None of the above

Solution

Question 4

$$33.1 cm$$

$$3.0 cm$$

$$30.1 cm$$

$$36.1 cm$$

Solution

Question 5

$$1\ Centimetre\ (cm)$$

$$1\ Millimetre\ (mm)$$

$$1\ Kilometre\ (km)$$

$$1\ Metre\ (m)$$

None of these

Solution

Question 6

Time, position

Position, time

Movement, position

None of these

Solution

Question 7

Fish in water, Wall, Table

Fish in water, Wall, House

Wall, House, Table

Fish in water, House, Table

Solution

Question 8

Airplane

Bullock carts

Automobiles

All of the above

Solution

Question 9

bus, bullock cart, bicycle, airplane, trains, ship.

airplane, bus, bicycle, ship, trains, bullock cart.

bullock cart, ship, trains, bicycle, bus, airplane.

ship, bullock cart, trains, bicycle, airplane, bus

Solution

Question 10

Fan is moving from place to place

The blades of fan changes its position with time

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

None of these

Solution

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