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Forces and Strengths in Structures

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is deformation?

a)

A type of bicycle part

b)

A change in the shape or size of a structure due to applied forces

c)

A kind of bridge

d)

A way to measure weight

2.

Which of the following is an example of an external force?

a)

Tension

b)

Compression

c)

Wind

d)

Shear

3.

What type of strength helps a material resist being pulled apart?

a)

Compressive strength

b)

Tensile strength

c)

Shear strength

d)

Torsional strength

4.

Which force is a twisting force?

a)

Compression

b)

Tension

c)

Shear

d)

Torsion

5.

What type of force does a bicycle chain mostly experience?

a)

Compression

b)

Tension

c)

Shear

d)

Torsion

6.

Which part of a bicycle mainly needs compressive strength?

a)

Chain

b)

Frame

c)

Pedals

d)

Tires

7.

Which type of bridge uses cables suspended from tall towers?

a)

Beam bridge

b)

Arch bridge

c)

Suspension bridge

d)

Truss bridge

8.

Which of the following is an internal force?

a)

Earthquake

b)

Wind

c)

Shear

d)

The weight of a person

9.

What does compressive strength help a material resist?

a)

Being pulled apart

b)

Being squashed

c)

Twisting

d)

Sliding layers apart

10.

How do materials get their strength?

a)

By being painted

b)

Through their internal structure and treatments

c)

By being heavy

d)

By being colourful

11.

Which type of strength is most important for the pedals of a bicycle?

a)

Tensile strength

b)

Compressive strength

c)

Torsional strength

d)

Shear strength

12.

Explain the difference between compression and tension forces in a structure.

a)

Compression pushes things together, tension pulls things apart

b)

Compression pulls things apart, tension pushes things together

c)

Both push things together

d)

Both pull things apart

13.

Why is it important for engineers to consider the centre of gravity when designing a structure?

a)

To make it look nice

b)

To make sure the structure is stable and does not tip over

c)

To make it colourful

d)

To make it lighter

14.

A bridge is being built in a windy area. Which type of force should engineers be most concerned about from the environment?

a)

Internal force

b)

External force

c)

Torsion only

d)

Shear only

15.

If a bicycle frame is made from a weak material, what might happen when someone rides it?

a)

The frame will stay the same

b)

The frame might bend or break due to compression and tension forces

c)

The tyres will get stronger

d)

The pedals will stop working