The velocity of a small box of mass m and density d 1 when dropped in a container filled…
Physics · NEET · NTA Exams — Laws of Motion
The velocity of a small box of mass m and density d1 when dropped in a container filled with glycerin becomes constant after some time. Taking the density of glycerin as d2, the viscous force acting on the box is
- \(m g\left(1-\frac{d_{2}}{d_{1}}\right)\)
- \(\mathrm{mg} \frac{\mathrm{~d}_{1}}{\mathrm{~d}_{2}}\)
- \(\frac{m}{g}\left[d_{1}+d_{2}\right]\)
- \(m d_{1} d_{2}\)
Answer
(A) m g (1- d_ 2 d_ 1 )
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A block of mass 2 kg is kept on the floor. The coefficient of static friction is 0.4 If a force F of 2.5…
- Assertion : Friction is a self adjusting force. Reason : Friction does not depend upon mass of the body.
- A block is kept on an inclined plane of inclination of length l . The velocity of particle at the bottom of…
- A conveyor belt is moving at a constant speed of 2 m / s . A box is gently dropped on it. The coefficient of…
- The maximum speed of a car on a road turn of radius 30 m ; if the coefficient of friction between the tyres…
- A block of mass 10 kg is placed on an inclined plane. When the angle of inclination is 30 o , the block just…
- A cylinder weighing 400 lb is held against a smooth incline by means of the weightless rod AB in Figure…
- There are two inclined surfaces of equal length and same angle of inclination with the horizontal. One of…
More Laws of Motion questions · Browse all practice questions