A. Short answer type questions
1. What do you understand by the following terms
a. oscillation
b. Pendulum
c. Speed
d. Odometer
class 7
Answers
Answered by
2
Answer:
a) Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states. The term vibration is precisely used to describe mechanical oscillation.
Answered by
6
Answer:
a)Oscillation:movement back and forth in a regular rhythm.
b)Pendulum: A bob with a small mass, suspended freely from a fixed support so that it can swing to and fro under the influence of gravity is called a pendulum.
c) Speed: Speed can be defined as the distance travelled by an object in unit time.
d)Odometer:an instrument for measuring the distance travelled by a wheeled vehicle.
Explanation:
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