The coefficient of friction between the block and plank is 
and its value is such that block becomes stationary with respect to plank before it reaches the other end. Then, which of the following is not correct?
Text Solution
Verified by ExpertsThe correct answer is:
D
The free body diagram is as shown below.
Therefore, net work done by the friction cannot be zero.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A particle is moving on a circle of radius 5 m. A constant force of magnitude 10 N acts on the part…
The graph shows the variation of acceleration with position of a 3 kg particle, initially at rest, …
A body of mass 6 kg, under the action of force, suffers displacement, given by , where t is time. …
In the track shown in the figure, section is a quadrant of a circle of 1 m radius. A block is rele…
The ratio of work done by the internal forces of a car to change its speed from to, is (Assume th…
A block, attached to a spring is kept on a smooth surface, and is pulled by a constant horizontal f…