Correct Answer - Option 1 : B
The correct answer is Centripetal.
Centrifugal force refers to moving away from the centre point.
- The centrifugal force is an inertial force also known as fictitious force or pseudo force which acts on all objects when viewed in a rotating frame of reference.
- Some examples of Centrifugal force are Vehicle driving around a curve, Weight of an object at the poles and on the equator, rotation of the earth, stone on a string, etc.
Centripetal force refers to the net force that acts on an object to keep it moving along a circular path.
- The unit of centripetal force is Newton.
- Some examples of Centripetal force are spinning a ball on a string or twirling a lasso, Planets orbiting around the sun, Going through a loop on a roller coaster, and turning a car.
Gravitational Force is always attractive in nature and the gravitational force of the Earth is equal to the force the Earth exerts on individuals.
- The gravitational force at rest, on or near the surface of the Earth is equal to the weight of the Individual.
The normal force is the support force exerted upon an object that is in contact with another stable object.
- Example: If a toy is resting upon a surface, then the surface is exerting an upward force upon the toy to support the weight of the toy.