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
Pressure exerted by earth’s atmosphere.
Atmospheric pressure
Define Atmospheric pressure .
The force exerted by the earth’s atmosphere per unit area of the earth’s surface is called atmospheric pressure.