Define Zero work.
Work done is said to be zero if the applied force is zero or displacement is zero or the angle between displacement and force is 90.
ICSE
Define Negative work.
Work done is said to be negative if the applied force is in a direction opposite to that of displacement.
Define Positive work.
Work done is said to be positive if the applied force is in the distance of the displacement.
What are the types of work ?
Positive work Negative work Zero work
Define Work.
Any activity that requires muscular or mental effort is called work.
What are the two types of mechanical energy ?
The two types of mechanical energy are :- Kinetic energy Potential energy
Motion involving complete displacement of object is called ?
Translatory motion
Gaseous envelope surrounding the earth.
Atmosphere
Axis of rotation of steering wheel having radius R.
Perpendicular distance