Question 1
A hole is made in a square tile of uniform thickness. The diagram shows the tile hanging loosely on a nail.
Where is the centre of gravity of the tile?
Question 2
The diagram shows a stand. The stand holds a heavy mass above the bench.
Which two changes would definitely make the stand more stable?
A
Lower the mass and make the base narrower.
B
Lower the mass and make the base wider.
C
Raise the mass and make the base narrower.
D
Raise the mass and make the base wider.
Question 3
Point X is the centre of mass of a lamina in the shape of a triangle with sides of equal length. The top of the triangle is cut off along the dotted line shown.
What happens to the centre of mass, X ?
A
moves towards the bottom of the page
B
moves to the left
C
moves to the right
D
moves towards the top of the page
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