Motion and Measurement of Distances Test

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Motion and Measurement of Distances Test - 20

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Weekly Quiz Competition

Question 1
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Which of the following is one dimensional motion?

A
Landing of aircraft

B
Earth revolving around the sun

C
Motion of the wheels of moving train

D
Train running on a straight track

Solution

Motion of train on straight track is a one dimensional motion whereas everything else is a two dimensional or three dimensional activity.
Question 2
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Door to door service is available under which of the means of transport?

A
Air

B
Road

C
Rail

D
Water

Solution

Door-to-door is a canvassing technique that is generally used for sales, marketing, advertising, or campaigning, in which the person or persons walk from the door of one house to the door of another, trying to sell or advertise a product or service to the general public or gather information.
Door-to-door transport is a service in which an automotive transport company picks up and delivers your vehicle as close to the specified locations as possible. Door-to-door transport also means that once your vehicle is loaded onto a truck, it will stay on that same truck until it is delivered.
Question 3
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A car moving on a straight road is in

A
Curvilinear motion

B
Rectilinear motion

C
Periodic motion

D
Rotational motion

Solution

A car is said to be in rectilinear motion if it moves on a straight road.
Question 4
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Highest cost of transportation is the disadvantage of ______ mode of transportation.

A
Water

B
Road

C
Rail

D
Air

Solution

Highest cost of transportation is the disadvantage of air mode of transportation. Air transport facilitates mobility of men and material by air. It is the fastest mode of transport. Air transport is very useful to travel long distance and it saves time as well.
Question 5
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Transportation through ______ is the slowest among others.

A
Air

B
Road

C
Water

D
Rail

Solution

Water transportation is the least expensive and slowest mode of freight transport. It is generally used to transport heavy products over long distances when speed is not an issue.The main advantage of water transportation is that it can move products all over the world.
Question 6
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A boy wants to buy new shoes. To find out his correct shoe size the ________ of his feet should be measured.

A
Length

B
Thickness

C
Area

D
Volume

Solution

Shoe size basically refers to the length of shoes which go along with the length of feet that have to fit in the shoe. Thus the length of the feet should be measured as only it can help in achieving the right size.
Question 7
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Which of the following figure shows the correct placement of a block along a scale for measuring its length?

A

B

C

D

Solution

An object should be placed on a scale such that its ends should come in between the readings marked on the scale.
Thus option C is correct.
Question 8
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1 N=__________.

A
$$kg \times (m/s)$$

B
$$g \times (km/s^2)$$

C
$$1 \ kg \times (m/s^2)$$

D
$$kg \times (m^2/s^2)$$

Solution

1 N is defined as that force necessary to provide a mass of $$1 kg$$ with an acceleration of $$1 m/s^2$$
1 N = $$1 \ kg \times 1 (m/s^2)$$
Question 9
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Fig. shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once?

A
$$0.1\ m$$

B
$$0.15\ m$$

C
$$0.2\ m$$

D
$$0.05\ m$$

Solution

The correct answer is option (c) $$0.2\ m$$.
The scale is $$0.15\ m$$ long so by using it only once, $$0.2\ m$$ cannot be measured.
Question 10
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Which of these is matched incorrectly?

A
Rectilinear Motion: Motion of a child on a swing

B
Periodic Motion: Motion of a pendulum

C
Circular Motion: Person sitting in a moving Merry-Go round

D
None of these

Solution

Motion in a straight line is called rectilinear motion. For example, motion of a
vehicle on a straight road.
In circular motion an object moves such that its distance from a fixed point remains the same. For example, e motion of a point marked on the blade of an electric fan or the hands of a clock.
Motion that repeats itself after some period of time, is called periodic motion. For example, motion of a pendulum.