Multiple Choice
A force of F = 90 N is exerted on mass m1 as shown. Both m1 and m2 accelerate to the right at 3 m/s2 along the frictionless surface. The force F makes an angle of 25 degrees to the horizontal. Calculate the force that the horizontal surface exerts on mass m1. (m2 = 10 kg) 
A) 2.5 102 N
B) 1.5 102 N
C) 82 N
D) 3.5 102 N
E) 2.1 102 N
Correct Answer:

Verified
Correct Answer:
Verified
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