The following four forces act on a 4.00 kg object: F1 = 300 N ...

[stephzh]

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?

[jonathanballen97]

Answer to Question 1

D

Answer to Question 2

(a) 3.49 m/s
(b) 2.63 m/s2

[stephzh]

Thanks for the timely response, appreciate it

[carlsona147]

Excellent