For mass A, the force is its weight, which is mA*g, where g is the acceleration due to gravity (9.8 m/s^2). So, the force on A is 1.5 kg * 9.8 m/s^2 = 14.7 N.
For mass B, the force is also its weight, mB*g, so the force on B is also 14.7 N. However, because
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