Question

A particle initially at rest is subjected to two forces:
One is constant, the other is a retarding force proportional to the
particle velocity. In the subsequent motion of the particle, the
acceleration.​

Answer 1

Answer:

Let,

Constant force =K

1

Variable force =−K

2

V

Net Force F=K

1

−K

2

V

Acceleration a=

m

K

1

−K

2

V

As the velocity increases the net force will decrease. When both retarding and constant forces become equal then net force is zero. Hence the velocity is maximum and acceleration will increase from zero to constant.

Answer 2

Answer:

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