.
From any Physics textbook,
the centripetal acceleration a = = m/s^2.
To get the number, use your calculator.
The corresponding centripetal force = m*a.
Substitute the values to get the number.
If you have no Physics textbook on your table or on your book-shelve, you may look into this Wikipedia article
https://en.wikipedia.org/wiki/Centripetal_force
Learn from good sources !
H a p p y l e a r n i n g ! !