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CBSE 9th Physics Tutorials | Motion-Very Short Answer Type Questions
Motion-Very Short Answer Type Questions Question 1. when graph is parallel to time axis, what can you say about the motion? Answer. The body remains at rest. Question 2. What is the value of acceleration, if v-t graph is a straight line parallel to the time axis? Answer. Zero, since slope is zero. Question 3.…
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CBSE Physics Tutorials | Motion: Speed, Velocity and Acceleration
Motion: Speed, Velocity and Acceleration Speed: – Speed of a body is defined as the distance travelled by it per unit time. i.e hence S.I Unit of speed is metre /sec. (m /s or ms – 1) Uniform speed: If a moving body covers equal distances in equal interval of time, then the speed of…