PSLE Science: Understanding String Load Capacity

What is the main topic discussed in the video?

• The history of PSLE exams

• The chemical properties of materials

• The load capacity of different strings

• The process of making strings

Why is option 1 not a feasible arrangement?

• String S can only support 2 kg

• String S is not used in option 1

• String S can only support 3 kg, but needs to support 5 kg

• String S can support 5 kg, but the load is 6 kg

In option 2, what is the total load that string R needs to support?

• 5 kg

• 4 kg

• 3 kg

• 2 kg

Why does option 3 fail as a possible arrangement?

• String S can support 5 kg, but the load is 6 kg

• String S can only support 3 kg, but needs to support 5 kg

• String S can only support 2 kg

• String S is not used in option 3

What makes option 4 a feasible arrangement?

• String T can support 5 kg and String S can support 1 kg

• String S can support 5 kg

• String T can support 6 kg

• String T can support 4 kg and String S can support 2 kg