Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A spring 40 mm long is stretched by the application of a force. If 10 N force required to stretch the spring through 1 mm, then work done in stretching the spring through 40 mm is
Text Solution
Verified by ExpertsThe correct answer is:
D
$Here k = \frac{F}{x} = \frac{10}{1 \times 10^{-3}} = 10^{4} \text{ N/m} \\ W = \frac{1}{2} k x^{2} = \frac{1}{2} \times 10^{4} \times (40 \times 10^{-3})^{2} = 8 \text{ J}$
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 coconut of mass m falls from the tree through a vertical distance of s and could reach ground wit…
A block of mass M is kept on a platform which is accelerating upward with a constant acceleration a…
Figure shows a particle sliding on a frictionless track which terminates in a straight horizontal s…
A bullet of mass 20 g is found to pass two points 30 m apart in a time interval of 4 second. Calcul…
In a ballistics demonstration, a police officer fires a bullet of mass 50.0 g with speed 200 m s –1…
It is well known that a raindrop or a small pebble falls under the influence of the downward gravit…