physics answering techniques

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TEKNIK MENJAWAB SOALAN FIZIK KERTAS 2 SPM
2011

Format soalan dan jawapan soalan no. 8.

Diagram 8.1 and Diagram 8.2 show two identical wheelbarrows of same mass and load being pushed and pulled by a gardener respectively.

(a) What is meaning the force

……………………………………………………………………………….
[1mark]
(b) In the Diagram 8.1 and Diagram 8.2,
(i) draw the direction vertically force by the gardener on the wheelbarrow’s handle
[2 mark]
(ii) determine the magnitude of resultant force acting vertically on the road.(the answer is increase or decrease)

Diagram 8.1 is ………………………………………………………….

Diagram 8.2 is …………………………………………………………..
[2 marks] Table 8 shows the properties and the method the force acting on the wheelbarrow’s handle when it brought on the muddy road

Wheelbarrow
Method the force acting on the wheelbarrow

Surface area of tyre
The track of the tyre P pushed large
More grip
Q
pulled small Less grip
R
pushed small Less grip
S
pulled
Large
More grip

Table 8

(c) (i) State the suitable method to use by the gardener on the wheelbarrow’s handle on the muddy road.

……………………………………………………………………………
[1 mark] Reason

………………………………………………………………………………..
[1 mark] (ii) The surface area of the tyre.

……………………………………………………………………………
[1 mark] Reason

………………………………………………………………………………..
[1 mark] (iii) The track of the tyre

………………………………………………………………………………... [1 mark] Reason ……………………………………………………………………………….. [1 mark] (d) Based on your answer in 8(c), which the tyre and the way most suitable for