Question

A force of 5 Newton gives a mass M1 and acceleration of 10 M per second square and a mass M to an acceleration of 20 m per second what acceleration would it give if both the mask hair tied together

Answer 1

when a force of 5N gives an acceleration of 10ms-² to a body 

then its mass = 5/10 kg = 0.5kg

so, m₁ = 0.5kg

when a force of 5N gives an acceleration of 20ms⁻² to a body 

then its mass = 5/20 kg = 0.25kg

so, m₂ =  0.25kg

when the two bodies r tied total mass of the system bcomes = 0.75kg

so acceleration of the system will b = force/mass = 5/0.75 = 6.67 ms⁻²

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