A thin rod of mass `M` and length `L` is bent into a semicircle as shown in diagram. What is a gravitational force on a particle with mass `m` at the centre of curvature?

A thin rod of mass M and length L is bent in a semicircle as shown in figure (a). What is its gravitational force (both magnitude and direction) on a particle with mass m at O the centre of curvature ? (b) what would be the force on m if the rod is in the form of complete circle?

A thin rod of mass M and length L is bent in a semicircle as shown in figure (a). What is its gravitational force (both magnitude and direction) on a particle with mass m at O the centre of curvature ? (b) what would be the force on m if the rod is in the form of complete circle?

A thin of length L is bent to form a semicircle. The mass of rod is M. What will be the gravitational potential at the centre of the circle ?

A thin of length L is bent to form a semicircle. The mass of rod is M. What will be the gravitational potential at the centre of the circle ?

A thin of length L is bent to form a semicircle. The mass of rod is M. What will be the gravitational potential at the centre of the circle ?

A thin rod of length L is bent to form a semi circle. The mass of the rod is M . What will be the gravitational potential at the centre of the circle?

Consider the situation as shown in the following diagrams. Find net gravitational force on the particle of mass m .