Physics
Match the following:
| Column A | Column B |
|---|---|
| (a) circular motion | (i) a running fan |
| (b) periodic motion | (ii) a car moving in a market |
| (c) vibratory motion | (iii) movement of the hands of a clock |
| (d) rotatory motion | (iv) motion of wire of a guitar |
| (e) non-uniform motion | (v) motion of pendulum of a clock |
Motion in One Dimension
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Answer
| Column A | Column B |
|---|---|
| (a) circular motion | (iii) movement of the hands of a clock |
| (b) periodic motion | (v) motion of pendulum of a clock |
| (c) vibratory motion | (iv) motion of wire of a guitar |
| (d) rotatory motion | (i) a running fan |
| (e) non-uniform motion | (ii) a car moving in a market |
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Related Questions
Fill in the blanks:
(a) Two boys cycling on the road with the same speed are …………… relative to each other.
(b) The motion in a …………… is rectilinear motion.
(c) One to and fro motion of a clock pendulum takes time = …………… .
(d) 36 km h-1 = …………… m s-1.
(e) Total distance travelled = …………… x total time taken.
(f) The weight of a girl is 36 kgf. Her mass will be …………… .
(g) The weight of a body is measured using …………… .
Write true or false for each statement:
(a) Two trains going in opposite directions with the same speed are at rest relative to each other.
(b) A ball is thrown vertically upwards. Its motion is uniform throughout.
(c) The motion of a train starting from one station and reaching at another station is non-uniform.
(d) A motion which repeats itself after a fixed interval of time is called periodic motion.
(e) A ball thrown by a boy from a roof-top has oscillatory motion.
(f) Mass has both magnitude and direction.
(g) Weight always acts vertically downwards.
(h) Mass varies from place to place but weight does not.
Comment on the statement 'rest and motion are relative terms'. Give an example.
Fill in the blanks using one of the words: at rest, in motion.
(a) A person walking in a compartment of a stationary train is ………………. relative to the compartment and is ………………. relative to the platform.
(b) A person sitting in a compartment of a moving train is ……………….. relative to the other person sitting by his side and is ………………….. relative to the platform.