4.5 Tilting

Question 3

A uniform plank $AB\,$ has length 5 m and mass 8 kg. The plank rests horizontally on two supports $M\,$ and $N$ , where $A M = 0.5$ m and $A N = 4$ m.

a.

Find the magnitude of the reactions of the support at $M\,$ and $N$ .

[3]

b.

A block is now placed at $B\,$ and the plank is on the point of tilting about $N$ . Find the weight of the block.

[3]

c.

Find the magnitude of the reaction at $N$ .

[2]

4.5 Tilting

1 2 3

Question 3

A uniform plank $AB\,$ has length 5 m and mass 8 kg. The plank rests horizontally on two supports $M\,$ and $N$ , where $A M = 0.5$ m and $A N = 4$ m.

a.

Find the magnitude of the reactions of the support at $M\,$ and $N$ .

[3]

b.

A block is now placed at $B\,$ and the plank is on the point of tilting about $N$ . Find the weight of the block.

[3]

c.

Find the magnitude of the reaction at $N$ .

[2]

4.5 Tilting

Question 3

Markscheme

4.5 Tilting

Question 3

Markscheme

4.5 Tilting

Question 3

4.5 Tilting Questions

4.5 Tilting

Question 3

4.5 Tilting Questions