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 diagrams show the readings on a measuring cylinder before and after a small metal cube is added.How many more identical cubes can be added to the ...

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

Which person is experiencing an acceleration?

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

A car travels at various speeds during a short journey. The table shows the distances travelled and the times taken during each of four stages P, Q, R...

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

Two blocks of metal X and Y hang from spring balances, as shown in the diagrams. What does the diagram show about X and Y?

2013 Summer

2

MCQ

CH2 - FORCES AND MOTION

A 1 kg sample of aluminium is stored in a laboratory. In a different laboratory, in the same town, there is a 1 kg sample of iron.Which quantity must ...

2013 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder has a mass of 120 g when empty. When it contains 50 cm^3 of a liquid, the total mass of the measuring cylinder and the liquid is ...

2013 Summer

3

MCQ

CH2 - FORCES AND MOTION

A car moves along a level road. The diagram shows all of the horizontal forces acting on the car. Which statement is correct?

2013 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a force being applied to a lever to lift a heavy weight. Which change would enable the heavy weight to be lifted with a smaller forc...

2013 Summer

7

MCQ

CH4 - FORCES AND ENERGY

The diagram shows a hydroelectric system.What are the main energy changes taking place?

2013 Summer

2

MCQ

CH4 - FORCES AND ENERGY

An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level. Th...

2013 Summer

2