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Edexcel iGCSE digital textbooks
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Edexcel iGCSE Physics book cover  Edexcel iGCSE Physics book cover


1. Which answer best describes the difference between these 2 blocks?

2 blocks

 
  • A) Block A has a larger volume than block B
  • B) Block B is denser than block A
  • C) Block A has more mass than block B
  • D) Block A has more tightly packed particles than block B

2. What is the formula for density?

  • A) Density = volume x mass
  • B) Density = volume ÷ mass
  • C) Density = mass ÷ volume
  • D) Density =  ½ x mass x (volume)

3. A block of steel has a volume of 50 cm3, a length of 4cm and a width of 5cm. The height of the block is

  • A) 2 cm
  • B) 2.5 cm
  • C) 5 cm
  • D) 10 cm

4-6: What are the missing values in this table?

  Substance Mass (g) Volume (cm3)

Density (g/cm3)

4. Wood 20 25
5. Copper 36 9
6. Glass 400 2.5

7.. Which of these is the correct formula to calculate the pressure on an area?

  • A) P = F x A
  • B) P = F ÷ A
  • C) P = F x d
  • D) P = F ÷ d

8+9: A block of mass 3000 g rests on a desk as shown.

block on table

 

8. What is the weight of the block?

  • A) 0.3 kg
  • B) 3 kg
  • C) 3 N
  • D) 30 N

9. What pressure does the block cause on the desk?

  • A) 1500 Pa
  • B) 150 Pa
  • C) 7500 Pa
  • D) 750 Pa

10-12:

What are the missing values in this table showing the pressure under different steel blocks in a scrap yard?

Length (m) Width (m) Area (m2) Force on ground (N) Pressure (Pa)
0.8
0.5
0.4
20 000
0.2
2
5000