A Force of F = 90 N Is Exerted on Mass

question 66

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 \(\times\) 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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