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Q 1.
Some kind of change in the position of a object is called?
Ans.
Motion.
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Q 2.
The known fixed quantity used for measurement is called?
Ans.
Units.
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Q 3.
The unit is used for measuring large distance?
Ans.
Kilometers.
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Q 4.
In periodic motion, the object repeats itself after?
Ans.
Same period of time.
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Q 5.
An objects moves such that its distance from a fixed point remains the same?
Ans.
Circular motion.
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Q 6.
In rectilinear motion, the object moves along?
Ans.
Straight line.
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Q 7.
The system of units now used is known as?
Ans.
International system of units.
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Q 8.
In 1790, the French created a standard unit of measurement is called?
Ans.
The metric system.
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Q 9.
What is speedometer measures?
Ans.
Instantaneous speed.
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Q 10.
Name the motion of a stone dropped under gravity?
Ans.
Linear motion.
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Q 11.
Metre, Kilometers, Kilograms and feet which is not a unit of distance?
Ans.
Kilograms.
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Q 12.
Name the standard unit for measurement?
Ans.
Inch.
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Q 13.
What is the length covered in one step by a person is called?
Ans.
Pace.
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Q 14.
Name the modern method for measurement?
Ans.
Metre.
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Q 15.
Name the ancient method for measurement?
Ans.
Cubit.
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Q 16.
What is the length of outstretched arm is called?
Ans.
Fathom.
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Q 17.
Name the oldest means of transportation
Ans.
Bullock cart.
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Q 18.
Name the motion of a clock pendulum have?
Ans.
Periodic motion.
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Q 19.
Name the motion of wheel of a cycle have?
Ans.
Circular motion.
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Q 20.
Name the motion of a sewing machine have?
Ans.
Periodic motion.
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Q 21.
Name the motion of a child in a swing?
Ans.
Periodic motion.
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Q 22.
Name the SI unit of length?
Ans.
Metre.
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