A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².

A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m². With what force the small surface is to be pulled, so that it can move with a velocity 1 m/s, given that the coefficient of viscocity =0.07 kg m⁻¹ s⁻¹

Options

(a) 5 N
(b) 7 N
(c) 4 N
(d) 3 N

Correct Answer:

7 N

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. In N-type semi-conductor current is due to
  2. The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
  3. Two tuning forks are sounded together and produce 2 beats per second.
  4. Four cells, each of emf E and internal resistance r, are connected in series across
  5. If vectors A=cos wti + sin wtj and B= cos wt/2 i + sin wt/2 j are functions of time,