### Define Centrifugal And Its Example

Q.9: Define centrifugal force? Give two examples? Ans: The force which is directed away from the centre of circle is called centrifugal force. It is an opposite and equal reaction…

### Define Equilibrium And its Kinds

Q.13: Define equilibrium? What are the kinds of equilibrium? Ans: EQUILIBRIUM: When the resultant of all the forces acting on a body comes to zero the body is said to…

### Define Axis Of Rotation Moment And Torque

Q.3: Define the axis of rotation? Give any one example? Ans: Axis OF ROTATION: Some bodies cannot move from place but they can rotate about a fixed line or axis,…

### Define Scalars And Vector

Q.1: Define scalar and vector quantities and give five examples of each? Ans: SCALAR QUANTITIES: Physical quantities which have magnitude and units but there is no need of direction to…

### Define Momentum Define Friction

Q.11: Define Momentum. Write down its formula and unit. On which factors momentum depends? Ans: MOMENTUM: The quantity of motion contained in a body is called momentum. It is denoted…

### Define Fore And Motion

Q.1: Define force. Write down its formula and units. Also write down the factors on which force depends? Ans: FORCE: Force is that agent which changes or tends to change…