Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
The work done by a force acting obliquely is given by the formula: $W=F\cos\theta\times s$. What will happen to the work done if the angle $\theta$ between the direction of force and motion of the body is increased gradually? Will it increase, decrease or remain constant?
The work done by a force acting obliquely is given by the formula:
$W=F\cos\theta\times s$
Here, $W\rightarrow$ work done
$F\rightarrow$force
$s\rightarrow$displacement
$\theta\rightarrow$angle between the direction of the force and the motion
Thus, The work done depends upon the force acting upon the body, displacement in body and the angle between the direction of the applied force and the motion.
Now Let us see the changes in $\theta$ below:
On plotting a graph between $\theta$ and $\cos\theta$, we can see that on increasing the value of $\theta$, the value of $\cos\theta$ decreases, becomes zero and then becomes negative after $\frac{\pi}{2}$.
Thus, On increasing the value of the angle between the directions of the applied force and the motion of the body, the work done will decrease.
199 Views
