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. White light reflected from a soap film (Refractive Index =1.5) has a maxima
  2. The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
  3. An elevator car whose floor to ceiling distance is equal to 2.7m starts
  4. A current of 2A flows through a 2Ω resistor when connected across a battery
  5. In a parallel plate capacitor with plate area A and charge Q, the force on one plate