A particle moves over three quarters of a circle of radius r centimetre calculate the magnitude of its distance and displacement a force of 20 Newton act upon a body whose weight is 9.8 Newton what is the mass of body and how much it is acceleration
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total length of the circle = 2πr
Three quarters = 3/4 of 2πr
Distance = 3/4*2πr =3/2πr cm
Weight= m*g
9.8=m * 9.8
m = 1kg
F = ma
20= 1*a
a= 20 m/s²
Three quarters = 3/4 of 2πr
Distance = 3/4*2πr =3/2πr cm
Weight= m*g
9.8=m * 9.8
m = 1kg
F = ma
20= 1*a
a= 20 m/s²
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