Question

when a constant force is applied to body of , it moves with uniform

1. acceleration 2.velocity 3.speed 4.momentum

Answer 1

when a constant. force is applied to. body,it moves with uniform speed

Answer 2

"When a constant force is applied on a body, the body moves with uniform acceleration.

We know that

By Newton's Second Law,

$F\quad \propto \quad \frac { dp }{ dt }$

$F\quad =\quad \frac { Kdp }{ dt }$

$F\quad =\quad \frac { d(mv) }{ dt }$

$F\quad =\quad \frac { m(dv) }{ dt }$

$\because \quad \frac { dv }{ dt } \quad =\quad a$

$\therefore \quad F\quad =\quad Kma$

Since, K is an arbitrary constant.

K is taken as 1 in C.G.S & S.I unit system.

Mass of the object will not change with the application of force.

$\therefore \quad F\quad \propto \quad a$"