Forces And Stresses

Question 1

Name the 5 main forces that can act on a timber

Answer 1

Tension, compression, torsion, bending, shear

Question 2

What is tension

Answer 2

Tension is a pulling force

Question 3

What is compression

Answer 3

Compression is a pushing force

Question 4

What is torsion

Answer 4

Torsion is a twisting force

Question 5

What is shear

Answer 5

Forces moving in an opposite direction, cutting force

Question 6

What is triangulation

Answer 6

Addding cross-members to increase the rigidity of a frame work

Question 7

What are the methods to increase rigidity

Answer 7

Ties, struts, beams and triangulation

Question 8

What type of wood is commonly used for frame structures

Answer 8

Softwood

Question 9

What methods of increasing rigidity are used to add structural support

Answer 9

Braces and ties

Question 10

What method is used to create curved structures that are able to cope with greater forces in use

Answer 10

Lamination under pressure

Question 11

What does lamination mean

Answer 11

Joining thin layers together and can be used to make bent wooden parts