1) A light uniform metre rule is held horizontal by two strings which have tensions T₁ and T₂. Two forces of 25 N and 70 N act at the 15 cm and 75 cm marks respectively. What is the magnitude of T₁ and T₂?

2) A television is held onto a wall by two brackets, as shown.

Which diagram correctly shows the forces on the television from the brackets.

3) A balancing toy (blue) is balanced upon a triangular base (red).

When the toy is pushed slightly to one side, it remains in its new position.

Where is the centre of gravity of the balance toy?

4) A balancing toy (blue) is balanced upon a triangular base (red).

When the toy is pushed slightly to one side, it swings back to its original position.

Where is the centre of gravity of the balance toy?

5) A heavy uniform block is placed on the ground as shown below.

Which is the smallest force that would tilt the block?