A position dependent force \[ F=\left(7-2 x+3 x^{2}\right) \mathrm{N} \text {, } \] acts on a sm....

Channel:
PW Solutions
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=HxcDJ1XhBeM


Duration: 2:04
1 views
0

A position dependent force
\( \mathrm{P} \)
\[
F=\left(7-2 x+3 x^{2}\right) \mathrm{N} \text {, }
\]
W
acts on a small body of mass \( 2 \mathrm{~kg} \) and displaces it from \( x=0 \) to \( x=5 \mathrm{~m} \). Work done in joule is
(1) 35
(2) 70
(3) 135
(4) 270


📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2024-01-22A particle is acted upon by a force \( F \) which varies with position \( \mathrm{x} \) as shown....
2024-01-22A uniform chain of length \( L \). and mass \( M \) is lying on a smooth table and one third of ....
2024-01-22A raindrop of mass \( 1 \mathrm{~g} \) falling from a height of \( 1 \mathrm{~km} \) hits the gr....
2024-01-22The potential energy of a particle in a force field is \( U=\frac{A}{r^{2}}-\frac{B}{r} \), wher....
2024-01-22A force acts on a \( 3.0 \mathrm{~g} \) particle in such a way that the position of the particle....
2024-01-22Which of the diagrams shown in figure most closely shows the variation in kinetic energy of the ....
2024-01-22A body of mass \( 3 \mathrm{~kg} \) is under a constant force, which causes a displacement \( s ....
2024-01-22A stationary particle explodes into two particles of mass \( m_{1} \) and \( m_{2} \), which mov....
2024-01-22A ball of mass \( 2 \mathrm{~kg} \) and another of mass \( 4 \mathrm{~kg} \) are dropped togethe....
2024-01-22A bomb of mass \( 30 \mathrm{~kg} \) at rest explodes into two pieces of masses \( 18 \mathrm{~k....
2024-01-22A position dependent force \[ F=\left(7-2 x+3 x^{2}\right) \mathrm{N} \text {, } \] acts on a sm....
2024-01-22A body of mass \( 0.5 \mathrm{~kg} \) travels in a straight line with velocity \( v=k x^{3 / 2} ....
2024-01-22If kinetic energy of a body is increased by \( 300 \% \), then percentage change in momentum wil....
2024-01-22A helicopter of mass \( 1000 \mathrm{~kg} \) rises with a vertical acceleration of \( 15 \mathrm....
2024-01-22Match the following columns \( \left(g=9.8 \frac{\mathrm{m}}{\mathrm{s}^{2}}\right) \)....
2024-01-22A man weighing \( 49 \mathrm{~kg} \) on earth is standing in a lift ( \( \mathrm{g} \) \( =9.8 \....
2024-01-22A bicyclist comes to a skidding stop in \( 10 \mathrm{~m} \). During this process, the force on ....
2024-01-22A force-time graph for a base ball struck by a bat is shown in fig. Match the following columns ....
2024-01-22Match the following \begin{tabular}{|l|l|c|l|} \hline & \multicolumn{1}{|c|}{ Column-I } & & \mu....
2024-01-22Assertion: Mass is a measure of inertia of the body in linear motion. Reason: Greater the mass, ....
2024-01-22Assertion: A player lowers his hands while catching a cricket ball and suffers less reaction for....