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

2

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

2

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

1

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

1

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

1

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

1

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

1

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

1

Theory

CH1 - MEASUREMENTS AND UNITS

A metre rule is used to measure a length.Which reading is shown to the nearest millimetre?A 0.7 mB 0.76 mC 0.761 mD 0.7614 m

2009 Summer

1

Theory

CH2 - FORCES AND MOTION

The graph represents the movement of a body. [Image_1: Graph of speed (m/s) vs time (s)] How far has the body moved after 5s? A 2m B 10m C 25m D...

2009 Summer

2

Theory

CH2 - FORCES AND MOTION

A car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speed is 30 km/h. The journey takes two hours.What is the average speed ...

2009 Summer

1

Theory

CH2 - FORCES AND MOTION

Which statement about the masses and weights of objects on the Earth is correct?A. A balance can only be used to compare weights, not masses.B. Heavy ...

2009 Summer

1

Theory

CH2 - FORCES AND MOTION

The table shows the weight in newtons of a 10 kg mass on each of four planets. [Table_1] | planet | weight of a 10 kg mass / N | |----------|----...

2009 Summer

1

Theory

CH1 - MEASUREMENTS AND UNITS

Which items of apparatus are required to determine the density of a liquid? A balance and measuring cylinder B balance and thermometer C metre rule...

2009 Summer

1

Theory

CH2 - FORCES AND MOTION

Which property of an object cannot be changed by a force?A. its massB. its motionC. its shapeD. its size

2009 Summer

1

Theory

CH3 - FORCES AND PRESSURE

A wooden plank rests in equilibrium on two boulders on opposite sides of a narrow stream. Three forces of size $P$, $Q$ and $R$ act on the plank. How ...

2009 Summer

1

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

1

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

1