AS maths mechanics friction question?

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x_mooi_x

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A small toy has mass 1.2 kg. When a child tries to move the toy along a horizontal floor by pushing with a force of magnitude 5 N, acting downwards at an angle of 30degrees to the horizontal she is unsuccessful. When the child tries to move the toy by pulling with a force of magnitude 5 N, acting upwards at an angle of 30degrees to the horizontal she is successful. Show that the coefficient of friction between the toy and the floor lies between 0.30 and 0.47 correct to 2 significant figures.

Please help! Please can you explain your answer so that I can understand how to do it, thank you =)
 
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