Questions

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11 questions · timed · auto-graded

Question 11 Mark
Fill in the following blanks with suitable words: Atmospheric pressure $............$ with increasing height.
Answer
Atmospheric pressure decreases with increasing height.
Explanation: Pressure is inversely proportional to height.
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Question 21 Mark
Fill in the following blanks with suitable words: If the two forces applied to an object are equal and act in opposite directions, the net force acting on the object will be $............$
Answer
If the two forces applied to an object are equal and act in opposite directions, the net force acting on the object will be zero.
Explanation: The force applied on the body are equal and opposite direction, force cancel out and net force is zero.
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Question 31 Mark
Fill in the following blanks with suitable words: Force could be a $............$ or a $............$
Answer
Force could be a push or a pull.
Explanation: A push or pull on an object is known as force.
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Question 41 Mark
Fill in the following blanks with suitable words: The north pole of a magnet $............$ the north pole of another magnet.
Answer
The north pole of a magnet repeals the north pole of another magnet.
Explanation: Like poles of magnet repeal to each other’s.
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Question 51 Mark
Fill in the following blanks with suitable words: The pressure exerted by a liquid $............$ with depth.
Answer
The pressure exerted by a liquid increases with depth.
Explanation: Pressure $=$ height $\times $ density of object $\times $ gravity.
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Question 61 Mark
Fill in the following blanks with suitable words: A charged body $............$ an uncharged body towards it.
Answer
A charged body attracts an uncharged body towards it.
Explanation: Force attracts to each other of two objects when they are unlike charges.
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Question 71 Mark
Fill in the following blanks with suitable words: A drinking straw works on the existence of $............$ pressure.
Answer
A drinking straw works on the existence of atmospheric pressure.
Explanation: The level of water rises from drinking straw due to atmospheric pressure.
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Question 81 Mark
Fill in the following blanks with suitable words: To draw water 'from a well, we have to $............$ at the rope.
Answer
To draw water 'from a well, we have to apply pull force at the rope.
Explanation: To draw an object by applying force.
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Question 91 Mark
Fill in the following blanks with suitable words: Force has magnitude as well as $............$
Answer
Force has magnitude as well as direction.
Explanation: Force is a vector quantity and it depends on direction.
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Question 101 Mark
Fill in the following blanks with suitable words: A force arises due to $............$ between two objects.
Answer
A force arises due to interaction between two objects.
Explanation: The interaction between two objects due to a force.
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Question 111 Mark
Fill in the following blanks with suitable words: Force acting on a unit area is called $............$
Answer
Force acting on a unit area is called Pressure.
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Fill in the blanks: [1 M] - Science STD 8 Questions - Vidyadip