एक कण पर नियत परिमाण का एक बल लगाया जाता है जो हमेशा कण के वेग के लंबवत होता है। कण की गति एक समतल में होती है। इस गति में कौन सी राशि/राशियां नियत रहेंगी?

Which of the following forces is/are responsible for the sedimentation of particles during centrifugation?

Which of the following forces always opposes the applied motion or force?

Statement: An object of mass M falls freely under gravity, maintaining a constant acceleration. Conclusion I: The velocity of the object increases uniformly with time. Conclusion II: The acceleration of the object depends on its mass. Choose the correct option: