Class 9 - Physics
Work, Power and Energy
Worksheet
Fill in the blanks with suitable words.
1. Energy is the __________ to do work. Its S.I. unit is ________.
2. Work is force multiplied by ___________ in the direction of force.
3. If the angle between force and the displacement caused is acute then work is said to be ________.
4. If the angle between force and the displacement caused is obtuse, the work is said to be _______.
5. One joule of work is said to be done when a force of ______ displaces a body through a distance of ________ in its own direction.