Question 2:
Diagram 2.1 and Diagram 2.2 show the experiment to study the depth of dent produced when a weight is placed on top of two wooden blocks, X and Y which have different surface area.
Diagram 2.1
Diagram 2.2
(a) Measure the depth of the dent. [2 marks]
(i) Diagram 2.1 : ………………………… cm
(ii) Diagram 2.1 : ………………………… cm
(b) State the relationship between the surface area of the wooden block and the depth of the dent. [1 mark]
(c) The experiment is repeated using wooden block Z as shown in Diagram 2.3.
Diagram 2.3
Predict the depth of the dent produced when wooden block Z is used. [1 mark]
(d) Diagram 2.4 shows two women are carrying bags which have the same mass.
Write high pressure or low pressure exerted on their shoulders in the space provided. [1 mark]
Diagram 2.4
Answer:
(a)(i) 0.8 ±0.1
(a)(ii) 0.4 ±0.1
(b) The smaller the surface area of the wooden block, the deeper the depth of the dent.
(c) 0.5/0.6/0.7 cm
(d)
Diagram 2.1 and Diagram 2.2 show the experiment to study the depth of dent produced when a weight is placed on top of two wooden blocks, X and Y which have different surface area.
Diagram 2.1Diagram 2.2(a) Measure the depth of the dent. [2 marks]
(i) Diagram 2.1 : ………………………… cm
(ii) Diagram 2.1 : ………………………… cm
(b) State the relationship between the surface area of the wooden block and the depth of the dent. [1 mark]
(c) The experiment is repeated using wooden block Z as shown in Diagram 2.3.
Diagram 2.3Predict the depth of the dent produced when wooden block Z is used. [1 mark]
(d) Diagram 2.4 shows two women are carrying bags which have the same mass.
Write high pressure or low pressure exerted on their shoulders in the space provided. [1 mark]
Diagram 2.4Answer:
(a)(i) 0.8 ±0.1
(a)(ii) 0.4 ±0.1
(b) The smaller the surface area of the wooden block, the deeper the depth of the dent.
(c) 0.5/0.6/0.7 cm
(d)