Q3
17. Q. If a particle moves in a circle of radius r with decreasing speed and F is the force acting on that particle, then- (1) Angle between F and and r is 90^° (2) Angle between F and r is 180 (3) Angle between F and r is between 90^° and 180^° (3) Angle between F and r is between 0^° and 90^°