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2 of ESO: 2nd Trimester Technology Review

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.

Which is NOT an example of structure.

a)

The columns in a building.

b)

The bones in our bodies.

c)

The top floor of a building.

d)

The cables supporting a bridge.

2.

Definition: Its purpose is to maintain the object's shape and not to break when a force acts on them.

a)

Beam

b)

Structure

c)

Column

d)

Force

3.

Definition: Anything that can deform a body (static effect) or make it move or stop (dynamic effect).

a)

Force

b)

Injury

c)

Stress

d)

Structure

4.

Definition: a vertical structure used to support a roof or arch.

a)

Beam

b)

Column

5.

Definition: a horizontal structure designed to support a roof or floor.

a)

Beam

b)

Column

6.

Definition: the internal tension which all bodies experience when one or more forces are applied to them.

a)

Tension

b)

Trajectory

c)

Torsion

d)

Stress

7.

Definition: the path followed by a projectile flying or an object moving under the action of given forces.

a)

Tension

b)

Torsion

c)

Trajectory

d)

Compression

8.

Definition: stress that occurs when forces act to stretch an object.

a)

Force

b)

Torsion

c)

Tension

d)

Compression

9.

Definition: grip or hold; friction between something and the surface on which it moves; the act of drawing or pulling a load.

a)

Traction

b)

Tension

c)

Compression

d)

Torsion

10.

Definition: a force that pushes on or squeezes a material.

a)

Tension

b)

Torsion

c)

Traction

d)

Compression

11.

Definition: to make something into a curve or angle.

a)

Bending

b)

Curving

c)

Cutting

d)

Straightening

12.

Definition:

the action of twisting or the state of being twisted, especially of one end of an object relative to the other.

a)

Traction

b)

Torsion

c)

Torque

d)

Tact

13.

Definition: a force which tries to divide something; stress which pushes in opposite directions, in a sideways movement.

a)

Shearing & Cutting

b)

Bending

c)

Torsion

d)

Tension

14.

Definition: to make long, longer or bigger.

a)

Pull

b)

Push

c)

Compress

d)

Stretch

15.

Definition: to grind or press together so as to completely distort the shape or nature of the object.

a)

Break

b)

Crush

c)

Deformation

16.

Definition: to turn the ends of something in the different directions.

a)

Twist

b)

Cut

c)

Compress

d)

Stretch

17.

Definition: a rigid bar that is free to pivot, or rotate, on a fixed point

a)

Pulley

b)

Gear

c)

Belt

d)

Lever

18.

Definition: A balancing pivot point for a lever

a)

Fulcrum

b)

Center

c)

Resistance

d)

Force

19.

Definition: A force that opposes motion between two surfaces that are in contact

a)

Friction

b)

Compression

c)

Stretching

d)

Force

20.

Definition: A continuous band of tough flexible material used to transmit motion and power within a pulley system.

a)

Rope

b)

Belt

c)

String

21.

Definition: A set of wheels with teeth that match each other so that one wheel moves another.

a)

Rope

b)

Pulley

c)

Interlocking Gear

d)

Belt

22.

Definition: a projecting tooth on a wheel or cylinder that engages with the links of a chain

a)

Rope

b)

Belt

c)

Pulley

d)

Sprocket

23.

Definition: a simple machine that has a grooved wheel that holds a rope or a cable

a)

Rope

b)

Pulley

c)

Interlocking Gears

d)

Sprockets

24.

What is the formula for the "Law of the Lever"?

a)

F x f = R x r

b)

F = R x r x d

c)

R x d = F x r

d)

F x d = R x r

25.

Example of natural structures:

a)

The Statue of Liberty

b)

Bird's Nest

c)

The Great Wall of China

d)

Sea Shell

26.

Example of Man Made Structures:

a)

Eiffel Tower

b)

Spider web

c)

Volcano

d)

The Golden Gate Bridge in San Francisco

27.

Name the two types of loads:

a)

Fixed & Variable

b)

Heavy & Light

c)

Open & Closed

28.

This is an example of:

a)

Compression

b)

Traction

c)

Torsion

d)

Trajectory

29.

This is an example of:

a)

Traction

b)

Tension

c)

Compression

d)

Potato

30.

This is an example of:

a)

Bending

b)

Compression

c)

Torsion

d)

Traction

31.

This is an example of:

a)

Tension

b)

Traction

c)

Fulcrum

d)

Torsion

32.

This is an example of:

a)

Bending

b)

Cutting/Shearing

c)

Traction

d)

Torsion

33.

Identify the class:

a)

Class 1

b)

Class 2

c)

Class 3

34.

Identify the class:

a)

Class 1

b)

Class 2

c)

Class 3

35.

Identify the class:

a)

Class 1

b)

Class 2

c)

Class 3

36.

What is the formula for movable pulleys?

a)

F = R / 2

b)

R = F x 2

c)

F = R^2

37.

Which formula calculates the relationship between size and speed?

a)

D1 / D2 = N2 / N1

b)

N1 + N2 = D1 + D2

c)

D1 x D2 = N1 x N2

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