Match the first part of the sentence (1-7) with the second one (A-G). 1. An object moving in a straight line will continue moving in ..

1. An object moving in a straight line will continue moving in …..

2. Force and motion are also parts of a complicated …..

3. When several forces act on an object, the forces can …..

4. Sir Isaac Newton is well known for his three laws of.….

5. The amount of force is measured in units called …..

6. The change in motion depends on the amount …..

7. The word force means a push or a pull, it means …..

a) ….. motion as well as for other scientific breakthroughs.

b) ….. branch of science, called physics.

c) ….. newtons, named after the scientist Sir Isaac Newton.

d) ….. of force and the mass of the object.

e) ….. a straight line, unless acted on by an outside force.

f) ….. anything that causes the shape or motion of an object to change.

g) ….. be combined to give a net force.

7. Match the English phrases with their Ukrainian equivalents:

1. nuclear force a) галузь науки

2. constant velocity b) закон руху

3. scientific breakthrough c) ядерна сила

4. straight line d) наукове відкриття

5. branch of science e) постійна швидкість

6. law of motion f) протилежна дія

7. opposite reaction g) пряма лінія

8. Read the clues and complete the crossword:

^1

^2

^3

^4

^5

^6

^7

^8

^9

^10

Across:
	A person who works in a science.
	The force which tries to stop one surface sliding over another.
	The force which keeps a thing in the position or state it is in until it is moved or stopped by another force.
	A thing that can be seen or felt.
	The natural force by which objects are attracted to each other.

Down:
	Something done; the way in which something moves or works.
	A force exercised by a body in reply to another force, which is of equal strength and acts in the opposite direction.
	The act, way, or process of moving.
	The act of moving or condition of being moved.
	The heaviness of something, as measured by a certain system.
	Measurement of a power that changes or may produce change of movement in a body on which it acts or presses.

LISTENING

9. Pre-listening: match the English words and phrases with their Ukrainian equivalents:

1. turning moment	a) ричаг
2. pivot	b) обертатися
3. force	c) гаєчний ключ
4. fulcrum	d) вісь обертання
5. leverage	e) cила
6. revolve	f) точка обертання
7. spanner	g) точка опори

10. Listen to the text and answer the following questions:

1. What does the turning moment depend on?

2. What is turning moment equal to?

3. What advantage does a longer spanner offer in loosening a tight nut?

4. What is the formula for calculating the moment of a force?

5. Why is it sometimes difficult to apply a force at right angles in a motor car engine?

6. Why the handle of a door is at the edge?

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