Question

Write T for True and Ffor False: 1. The motion of the moon around the earth is curvilinear. 2. Speed is defined as the distance covered by an object per unit time. 3. Standard units do not vary from person to person. 4. Motion of hearbeat is periodic. 5. Rest and motion are relative terms. Match the following: Kilogramप्लीज गिव मी आंसर ​

Answer 1

Answer:

1.false

2.falseSpeed is the distance travelled by a moving body per unit time

3.true

4.false The heart beats with a particular rate and its motion is repeated in a regular interval of time. So the motion of the heart is necessarily a periodic motion.

5.true

the match the following answer in this photo

Answer 2

Answer:

1. True
2. True
3. True
4. True
5. True

Explanation:

1. The moon revolves around the earth in a curved / circular path , thus the motion of moon around the earth is curvilinear / circular motion.
2. Speed can be defined as when an object covers a distance with respect to time .
3. Standard units are those which are used by people as a common standard of measurement , thus they do not vary from person to person.
4. Motion of heartbeat is is periodic as it's muscles contract and relax in a repeated rythm.
5. Rest and motion are relative terms as they depend on the observer. An observer at rest may see other objects in motion or at rest depending on his frame of reference .

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