Question

Find the necessary force required to keep a body of mass 3kg in a circular path of radius 2m for 4sec. Also find the direction of force.​

Answer 1

Answer:

hey mate here is your answer

From above figure

From above figure A→B

From above figure A→Bu = 4m/s v=0 t=2sec a=?

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at0=4+a(2)

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at0=4+a(2)a=−2m/s

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at0=4+a(2)a=−2m/s 2

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at0=4+a(2)a=−2m/s 2

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at0=4+a(2)a=−2m/s 2 so,

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at0=4+a(2)a=−2m/s 2 so, force = ma

From above figure A→Bu = 4m/s v=0 t=2sec a=?v=u+at0=4+a(2)a=−2m/s 2 so, force = ma=2×2=4N

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