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Activities - Machines
EduBook Organización
- 3942 visitas
We use machines in many different ways. Machines help to make our work easier. We use them every day. We use different machines for different things. What we use a machine for is called its function. We…
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Introduction - Machines
EduBook Organización
- 3559 visitas
We use machines in many different ways. Machines help to make our work easier. We use them every day. We use different machines for different things. What we use a machine for is called its function. We…
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Remember - Machines
EduBook Organización
- 3132 visitas
We use machines in many different ways. Machines help to make our work easier. We use them every day. We use different machines for different things. What we use a machine for is called its function. We…
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Check. Forces in everyday life
EduBook Organización
- 3054 visitas
Remember what you have studied in this section and answer the questions: Give three examples of when friction acts. In each case, state whether the friction is an advantage or a disadvantage. What is…
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True and False. Equilibrium
EduBook Organización
- 2466 visitas
Answer true or false: An object is in equilibrium when the sum of the forces acting upon it is equal to zero. If an object is in equilibrium it cannot be moving. A block at rest hanging on the cable of…
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Writing - a letter (PET)
EduBook Organización
- 2299 visitas
Imagine that you are a 16th-century silk merchant from London. You were travelling through Verona on your way to Venice when you saw a lot of people fighting in the street. You are writing a letter to…
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Video: The terminal
Esl video Organización
- 2867 visitas
This 4 minute clip from "The Terminal" shows some customs procedures on arriving at JKF Airport. Tom Hanks is retained at the passport check and is asked questions he doesn't understand. We…
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Bestival Scene 2
British Council Organización
- 2633 visitas
In this activity we listen and watch two young people who attend Bestival, a famous music festival, where they meet a travelling theatre group. Before watching the video, we can answer to some questions…
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Uniform rectilinear motion
EduBook Organización
- 2170 visitas
2.1. Velocity In a moving car, the speedometer tells us what velocity it is travelling at, at any given moment (figure 1). Velocity is the distance travelled per unit of time. Average velocity If we…