Theory

CH4 - FORCES AND ENERGY

(a) The principle of conservation of energy states that energy can neither be created nor destroyed. What, then, does happen to the energy supplied t...

2012 Summer

3

Theory

CH4 - FORCES AND ENERGY

An archer pulls the string of his bow, and moves the arrow to the position shown in Fig. 4.1. He then releases the string so that the arrow is fired t...

2012 Winter

2

Theory

CH4 - FORCES AND ENERGY

Electricity can be generated from either renewable or non-renewable energy sources.(a) Describe the difference between a renewable energy source and a...

2011 Summer

3

Theory

CH4 - FORCES AND ENERGY

Two geologists are collecting rocks from the bottom of a cliff. The rocks are loaded into a basket and then pulled up the cliff on the end of a rope, ...

2012 Summer

3

Theory

CH4 - FORCES AND ENERGY

As a pole vaulter runs towards the jump, his pole is straight. When he is jumping, the pole is bent, as illustrated in Fig. 2.1. (a) Which form of ...

2009 Winter

2

Theory

CH4 - FORCES AND ENERGY

A boy is sitting still on a swing that is oscillating from side to side, as shown in Fig. 5.1. (a) At the highest point of the oscillation, the boy�...

2012 Winter

2

Theory

CH4 - FORCES AND ENERGY

Two geologists are collecting rocks from the bottom of a cliff. The rocks are loaded into a basket and then pulled up the cliff on the end of a rope, ...

2012 Summer

3

Theory

CH4 - FORCES AND ENERGY

(a) Fig. 3.1 represents the energy into and out of a machine.Write down the equation linking $I$, $U$ and $W$. [1](b) An electric motor and a pulley i...

2010 Summer

6

Theory

CH4 - FORCES AND ENERGY

Here is a list of energy resources available to the world. Some of these are renewable and some are non-renewable.In the first blank column, put a tic...

2012 Winter

3

Theory

CH4 - FORCES AND ENERGY

(a) Name three different energy resources used to obtain energy directly from water (not steam).1. ......................................................

2010 Winter

3

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagram shows an enlarged drawing of the end of a metre rule. It is being used to measure the length of a small feather. What is the length of the...

2016 Summer

4

MCQ

CH2 - FORCES AND MOTION

A train begins a journey from a station and travels 60 km in a time of 20 minutes. What is the average speed of the train?

2016 Summer

1

MCQ

CH2 - FORCES AND MOTION

Two runners take part in a race. The graph shows how the speed of each runner changes with time. What does the graph show about the runners at time $...

2016 Summer

3

MCQ

CH2 - FORCES AND MOTION

A cup contains hot liquid. Some of the liquid evaporates. What happens to the mass and what happens to the weight of the liquid in the cup?

2016 Summer

1

MCQ

CH2 - FORCES AND MOTION

An object has a mass of 50 kg.The gravitational field strength on Earth is $10.0 \text{ N/kg}$.The gravitational field strength on a distant planet is...

2016 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

A student wishes to determine the density of an irregularly-shaped stone. First he finds the mass of the stone. Next he lowers the stone into a measur...

2016 Summer

3

MCQ

CH2 - FORCES AND MOTION

Which is an example of a force?

2016 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows an object of weight $W$ and an object of weight $Z$ balanced on a uniform metre rule. Which equation relating to $W$, $Z$, $a$ and $...

2016 Summer

1

MCQ

CH4 - FORCES AND ENERGY

A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy.She skis down the slope. At the bottom of...

2016 Summer

3

MCQ

CH4 - FORCES AND ENERGY

A coal-fired power station generates electricity. Coal is burnt and the energy released is used to boil water. The steam from the water makes the gene...

2016 Summer

3