The following four forces act on a 4.00 kg object:
F1 = 300 N east
F2 = 700 N north
F3 = 500 N west
F4 = 600 N south
What is the acceleration of the object?
A)
224 N in a direction 63.4 north of west
B)
300 N in a direction 63.4 north of west
C)
300 N in a direction 26.6 north of west
D)
224 N in a direction 26.6 north of west
E)
2100 N in a direction 26.6 north of west
Question 2
A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standing 4.65 m from the center of the merry-go-round.
(a) What is the tangential speed of the child?
(b) What is the magnitude of the centripetal acceleration of the child?