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Can you explain what mass of a body means?

Community Answer

It means how many particles are in that object. It is the weight in Newtons of the object divided by the acceleration due to gravity.

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Question

How do I use the beam balance to measure the mass of a body?

Community Answer

Have your subject stand on the scale, then slowly move the slider on the beam until it is level and balanced.

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Question

How do I calculate mass using density?

Community Answer

Density equals mass divided by volume. Therefore, mass would equal density multiplied by volume. You will need the volume along with the density to calculate the mass.

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Question

How do I calculate mass into weight?

Community Answer

You simply multiply the mass by 9.78, then you will get your answer. Its units will be in newtons (N).

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A motorbike accelerates from rest to 12 m/s in 3 seconds on a level road. If the force is 3000 Newton, what is the total mass of the cyclist and the motorbike?

Community Answer

We know that F = ΔQ/Δt, so let's go from there. We also know that F = 3000 N, v = 12 m/s, and Δt = 3 s. So what we have is 3000 = ΔQ/3. ΔQ = Q2 - Q1 and Q = mv. So Q1 = 0, because the motorbike accelerates from rest (v1 = 0), and Q2 = 12m. ΔQ = 12m - 0 = 12m. We now have 3000 = 12m/3, 3000 = 4m, m = 750 Kg.

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How do I find out mass? Is it measured by newtons?

Community Answer

No, mass is not measured in newtons. Weight is measured in newtons, because it is a force that is acting on the body. The units that describe mass are grams and kilograms, with kilograms being the S.I unit. You can use the formula f=ma to find mass with a formula.

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