A book weighs 6 N. When held at rest above your head the net force on the book is
A. 0 N.
B. 6 N.
C. 9.8 N.
D. -6 N.
Answer:A
A book weighs 6 N. When held at rest above your head the net force on the book is
A. 0 N. B. 6 N. C. 9.8 N. D. -6 N.