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

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

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

3

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 part of a ruler. The ruler is used to find the length of a nail.What is the length of the nail?

2014 Summer

3

MCQ

CH2 - FORCES AND MOTION

Which distance/time graph represents the motion of an object moving at constant speed?

2014 Summer

2

MCQ

CH2 - FORCES AND MOTION

A car takes 15 minutes to travel along a road that is 20 km long.What is the average speed of the car?

2014 Summer

3

MCQ

CH2 - FORCES AND MOTION

A customer goes to a market and buys some rice. The stallholder pours rice into a dish that hangs from a spring balance. He records the reading on the...

2014 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

The table gives the volumes and masses of four objects. Which object has the greatest density?[Table_1]

2014 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

A wooden bar is pivoted at its centre so that it can rotate freely. Two equal forces $F$ are applied to the bar. In which diagram is the turning effec...

2014 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

A student adds weights to an elastic cord. He measures the length of the cord for each weight. He then plots a graph from the results, as shown. What ...

2014 Summer

2

MCQ

CH4 - FORCES AND ENERGY

In a hydroelectric power station, one form of energy is stored in a lake or reservoir. This energy is then transferred in stages to another useful for...

2014 Summer

2

MCQ

CH4 - FORCES AND ENERGY

A certain machine is very efficient. What does this mean?

2014 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a simple mercury barometer.Atmospheric pressure decreases. What happens to the level of the mercury at P and what happens to the lev...

2014 Summer

3