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Newton’s Second Law equation of motion

I have no idea on how I’m meant to answer this question I’ve done the first one and got it right I’d appreciate any help, I’ll post the question below

Reply 1

A0W0N

1ii)

Those are my answers for i)

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Reply 2

rsidofdhoidsh

Original post by A0W0N

I have no idea on how I’m meant to answer this question I’ve done the first one and got it right I’d appreciate any help, I’ll post the question below

Do you live in Australia by any chance?

Reply 3

mqb2766

The net force on each mass must be the difference between the tension and the weight. So
ma = ...
For each of the masses.

Reply 4

A0W0N

If got two equations and for part three got two answers which make sense but the answer book says the answers are: 3.27ms^-2 and 1.31N

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Reply 5

mqb2766

Original post by A0W0N

If got two equations and for part three got two answers which make sense but the answer book says the answers are: 3.27ms^-2 and 1.31N

At the start, a is both positive and negative in your two equations.
One must be
T - mg
And the other
mg - T
The tension is nonzero and must raise one block and slow down the other.

(edited 4 years ago)

Reply 6

A0W0N

Original post by mqb2766

At the start, a is both positive and negative in your two equations.
One must be
T - mg
And the other
mg - T
The tension is nonzero and must raise one block and slow down the other.