NEET Class neet Answered
Q.no. 21 to 25 send me solutions sir please.
Asked by brijk456 | 22 Jul, 2019, 10:35: PM
Expert Answer
Only one question is allowed per posting, hence only question 21 is answered
displacement, x = A sinωt ..................................(1)
velocity, v = dx/dt = Aω cosωt ..........................(2)
acceleration a = dv/dt = - Aω2 sinωt ...........................(3)
if m is mass of particle, force = mass × acceleration , hence force, F = - m A ω2 sinωt .................(4)
from eqn.(1) and (4), we see that both displacement and force are sine functions but 180° phase difference.
Hence corresponding Force-time graph is graph(4)
Answered by Thiyagarajan K | 23 Jul, 2019, 12:39: PM
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