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

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

2

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

A cylindrical can is rolled along the ruler shown in the diagram.The can rolls over twice.What is the circumference (distance all round) of the can?A ...

2012 Summer

2

Theory

CH2 - FORCES AND MOTION

A car is moving downhill along a road at a constant speed. Which graph is the speed/time graph for the car?

2012 Summer

2

Theory

CH2 - FORCES AND MOTION

In a race, a car travels 60 times around a 3.6 km track. This takes 2.4 hours.What is the average speed of the car?A 1.5 km/h B 90 km/h C 144 km/h D 2...

2012 Summer

3

Theory

CH3 - FORCES AND PRESSURE

Which quantity is measured in newtons? A) density B) energy C) pressure D) weight

2012 Summer

1

Theory

CH3 - FORCES AND PRESSURE

A geologist places a small rock on the left-hand pan of a balance. The two pans are level as shown when masses with a total weight of 23 N are placed ...

2012 Summer

2

Theory

CH1 - MEASUREMENTS AND UNITS

A stone has a volume of 0.50 cm3 and a mass of 2.0 g.What is the density of the stone?A. 0.25 g/cm3B. 1.5 g/cm3C. 2.5 g/cm3D. 4.0 g/cm3

2012 Summer

1

Theory

CH2 - FORCES AND MOTION

Passengers are not allowed to stand on the upper deck of double-decker buses.upper decklower deckWhy is this?A. They would cause the bus to become les...

2012 Summer

1

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a handle with three forces, each 100 N, applied to it. The handle is free to move.What is the effect of the forces on the handle?A T...

2012 Summer

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

An object on a thread is swinging between X and Z, as shown in the diagram. It is momentarily at rest at X and at Z.An incomplete word equation about ...

2012 Summer

1