What is a rigid body ​

In physics, a rigid body is a solid body in which deformation is zero or so small it can be neglected. The distance between any two given points on a rigid body remains constant in time regardless of external forces or moments exerted on it. A rigid body is usually considered as a continuous distribution of mass.

Explanation:

I hope this helps! ^^

c) up

hope this

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..