science
Grade-7
Easy
Question
The spinning motion of a body about a fixed axis is called _____.
- Circular motion
- Random motion
- Rotational motion
- Oscillatory motion
Hint:
The spinning motion of a body about a fixed axis is called Rotational motion.
The correct answer is: Rotational motion
Rotational motion is the motion of an object around a fixed axis in circular way.
An example of rotation of a planet, planet rotates around sun is a rotational motion and compact disc in a CD player, which is driven by a motor inside the player.
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What is the motion in a straight line called?
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For which of the following do we need to specify the position of an object?
For which of the following do we need to specify the position of an object?
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The movement of a body along the circumference of a circle is called _____.
The movement of a body along the circumference of a circle is called _____.
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Distance ___ be 0 but/and displacement ___ be 0.
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In which of the following situations do we need to calculate the average speed of an object?
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1 km/h = ___ m/s
1 km/h = ___ m/s
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The rate of change of distance is called ____?
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What is the SI unit of displacement?
What is the SI unit of displacement?
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An object is said to be in motion if it's _____ changes with ____.
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For example: A tiger chasing after its prey is an object and the chasing is motion with respect to time of surrounding that the time we say the tiger is chasing.
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The object is said to be in motion when it changes its position with respect to time.
For example: A tiger chasing after its prey is an object and the chasing is motion with respect to time of surrounding that the time we say the tiger is chasing.
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The air above the ocean and lakes is dry.
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The humidity in deserts is typically very low.
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