1.

If An 80 N force will accelerate a 20 kg mass at 4 m/s2.When the mass is doubled and the force remains the same what is the acceleration?

Answer»

ANSWER:

Given,

Mass=20 kg

Now, when the mass is doubled, NEW mass=(20*2)=40 kg

Force REMAINS same, i.e., 80 N.

Now, according to the formula, F=ma substituting the VALUES we get that,

80 N=40 kg* acceleration

Therefore, acceleration=2 m/s².



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