Fill in the blanks with the correct words.
1. ..................... (Kilometer/Cubit) is a non-standard unit of length.
2. The distance of an object from one end to the other is called ..................... (length/kilometre).
3. When a body is in translational motion, all its parts move ..................... (equal/unequal) distances in a given time.
4. The rotation of Earth on its axis is ..................... (translational/rotational) motion.
5. A type of motion that repeats itself after equal intervals of time is called ..................... (curvilinear/periodic) motion.

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Solution

1. Cubit is a non-standard unit of length.
2. The distance of an object from one end to the other is called length.
3. When a body is in translational motion, all its parts move equal distances in a given time.
4. The rotation of Earth on its axis is rotational motion.
5. A type of motion that repeats itself after equal intervals of time is called periodic motion.

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Similar questions

Q. Fill in the blanks with the correct words:
when a body is in translational motion, all its parts, move _____ (equal/unequal) distances in a given time.

Q. Fill in the blanks with the correct words.

1. A motion that repeats itself at equal intervals of time is called .................... (periodic motion/pendulum).
2. Motion is the change in the position of a body with respect to ...................(distance/time).
3. The slope of the distance-time graph of a body gives its .................... (speed/distance travelled).
4. If the speed of a body is zero, its distance-time graph will be a straight line parallel to the .................... (distance/time) axis.
5. A curved distance-time graph represents .................... (uniform/non-uniform) motion.

Q. A motion that repeats itself after equal interval of time is called a "periodic motion".

Q. Write True (T) or False (F) against the following statements in the given brackets:
1. Periodic motion is that which repeats itself after regular intervals of time. ( )
2. Metre is the standard unit of length. ( )
3. Motion in a straight line is called rectilinear motion. ( )
4. Motion of the needle of a sewing machine is circular motion. ( )
5. Motion of wheel of a bicycle is rectilinear. ( )
6. An object can have more than one type of motion. ( )

Question 11

Fill in the blanks
(i) Motion of an object or a part of it around a fixed point is known as ___ motion.

(ii) A body repeating its motion after a certain interval of time is in ___ motion.
(iii) In a rectilinear motion, the object moves ___ a ___ line.
(iv) SI unit of length is __.

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