Q1. Tractors are often used on sloping fields, so stability is important in their design. On the diagram, the center of the X marks the center of the tractor.
a) Explain why the tractor has not toppled over.
b) Give two features of the tractor which affects its stability.
Q2. The diagram shows two buses. Bus A is empty. Bus B contains bags of sand upstairs to represent passengers. Each bus has been tilted as far as it can without falling over.
a) Each bus will topple over if it is tilted any further. Explain why this will happen.
b) What difference does it make to the stability of the bus when the upper deck is full of passengers?
c) Why are the bags of sand in bus B only put upstairs?
Q3. A tractor is being used on a rough ground. What is the safest position for its center of mass? it is an emergency I will give you 20 points
Answers: 2
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