To study variation of time period of a simple pendulum by changing its length and taking bobs of different masses independently and interpret the result.
TO FIND THE DOWNWARD FORCE ALONG AN INCLINED PLANE, ACTING ON A ROLLER DUE TO GRAVITATIONAL PULL OF EARTH AND STUDY ITS RELATIONSHIP WITH THE ANGLE OF INCLINATION (THEETA) BY PLOTING A GRAPH BETWEEN FORCE AND SIN THEETA.