Theory

CH4 - FORCES AND ENERGY

A car of mass 900 kg is travelling at a steady speed of 30 m/s against a resistive force of 2000 N, as illustrated in Fig. 2.1.(a) Calculate the kinet...

2010 Summer

3

Theory

CH4 - FORCES AND ENERGY

A force $F$ moves a load from the bottom of a slope to the top. [Image_1: Diagram showing the slope with a force and labels r, p, q, and load.]The wor...

2011 Winter

3

Theory

CH4 - FORCES AND ENERGY

Four people of equal weight on a beach use different routes to get to the top of a sea wall. Which person produces the greatest average power?[Table_1...

2009 Summer

2

Theory

CH4 - FORCES AND ENERGY

Which of these is designed to change electrical energy into kinetic energy?A. a capacitorB. a generatorC. a motorD. a transformer

2010 Winter

2

Theory

CH4 - FORCES AND ENERGY

(a) Energy from the Sun evaporates water from the sea. Some of this water eventually drives a hydroelectric power station. Give an account of the proc...

2011 Winter

2

Theory

CH4 - FORCES AND ENERGY

A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot.Which type of e...

2010 Winter

2

Theory

CH4 - FORCES AND ENERGY

In which pair of energy sources are both sources renewable?A. oil and coalB. oil and tidalC. tidal and geothermalD. tidal and nuclear fission

2012 Summer

3

Theory

CH4 - FORCES AND ENERGY

Fig. 2.1 shows a conveyor belt transporting a package to a raised platform. The belt is driven by a motor.(a) State three types of energy, other than ...

2011 Summer

2

Theory

CH4 - FORCES AND ENERGY

Fig. 5.1 shows a model cable-car system. It is driven by an electric motor coupled to a gear system.The model cable-car has a mass of 5.0 kg and is li...

2010 Winter

2

Theory

CH4 - FORCES AND ENERGY

Electricity can be obtained from different energy resources.Which energy resource is used to obtain electricity without producing heat to boil water?A...

2009 Summer

2

Theory

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

1

Theory

CH2 - FORCES AND MOTION

Which person is experiencing an acceleration?A. a driver of a car that is braking to stop at traffic lightsB. a passenger in a train that is stationar...

2013 Summer

1

Theory

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

1

Theory

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? A They have the same mas...

2013 Summer

1

Theory

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

1

Theory

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder has a mass of 120g when empty.When it contains 50cm3 of a liquid, the total mass of the measuring cylinder and the liquid is 160g...

2013 Summer

1

Theory

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?A. The car is slowing down....

2013 Summer

1

Theory

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

1

Theory

CH4 - FORCES AND ENERGY

The diagram shows a hydroelectric system. What are the main energy changes taking place?A. chemical energy \(\rightarrow\) kinetic energy \(\rightarro...

2013 Summer

1

Theory

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.The...

2013 Summer

1