Why is it convenient to pull a luggage fitted with rollers?
Because rolling friction is greater than the sliding friction
Because rollers increase the applied force
Because rolling friction is smaller than the sliding friction
Because rollers reduce the weight of the luggage
It is convenient to pull a luggage fitted with rollers because rolling friction is smaller than the sliding friction.
Which of the following statements is incorrect? (a) static friction is greater than rolling friction (b) sliding friction is less than rolling friction (c) rolling friction is less than static friction (d) static friction is greater than sliding friction