What you mean to say is: "The net force acting on the ball is 30 N."
F = M A
A = F / M = (30) / (4) = 7.5 m/s2
F = m∙a so a = F/m
450 N/30 kg = 15 m/s²
F = M AA = F/M = (450)/(30) = 15 meters/sec2
Force = 450N Area Of Contact = 5m * 4m = 20m2 Pressure = Thrust /Area = 450/20 N/m2 = 22.5 PA = 22.5 N/m2
450N is 101.16 pounds.
450N, where "N" represents the unknown number.
The matter really depends on how good you are. The YCL-250 is part of the student range which is better for if you are continuing your studies from beginning. Where as the 450n is part of the intermediate range which is better when you are learning more technically difficult pieces with higher notes.
Total downward force = 300 + 250 + 300 = 850N Total reaction (upward) force must be 850N = scale left (400N) + scale right. So scale right must be 450N.
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Yes you do. Your mass stays the same but you weigh more. For example. On earth, if your mass is 45kg, you weigh 450N on the moon, its muliplied by six etc.
450N
21 t(n) = (-5n4 + 66n3 - 271n2 + 450n - 216)/24, where n = 1, 2, 3, ...
450N
10kg equals 100N On Earth, weight is mass multiplied by 10. So If I was 45kg, I would be 450N. Weight changes according to gravity, so on other planets you would weigh differently, but still have the same 10kg mass. Hope that this helped. ^Wrong. You multiply by 9.8 not 10. This is because of gravity on earth.