A. Centrifugal
A.
B. Frictional
B.
C. Centripetal
C.
D. Gravitational
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
A centripetal force is the force directed towards the center of a circular path, which is necessary to keep an object moving in a circular trajectory.