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 $\times$ 10² N B)1.5 $\times$ 10² N C)82 N D)3.5 $\times$ 10² N E)2.1 $\times$ 10² N

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The Answer of 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 $\times$ 10² N B)1.5 $\times$ 10² N C)82 N D)3.5 $\times$ 10² N E)2.1 $\times$ 10² N

A Force of F = 90 N Is Exerted on Mass