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

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

Theory

CH4 - FORCES AND ENERGY

A wind turbine has blades, which sweep out an area of diameter 25 m.(a) The wind is blowing directly towards the wind turbine at a speed of 12 m/s. At...

2009 Summer

Theory

CH4 - FORCES AND ENERGY

The diagram shows a microphone being used in an interview.Which energy change takes place in the microphone?[Table_1] | | input energy | output ene...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

The table shows the times taken for four children to run up a set of stairs. Which child's power is greatest?[Table_1: mass of child / kg and time / s...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

The table shows the times taken for four children to run up a set of stairs.Which child’s power is greatest?[Table_1]| | mass of child / kg | time /...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

The diagram shows a microphone being used in an interview. Which energy change takes place in the microphone?input energyoutput energyA chemicalelectr...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

A farmer uses an electric pump to raise water from a river in order to fill the irrigation channels that keep the soil in his fields moist.Every minut...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

A farmer uses an electric pump to raise water from a river in order to fill the irrigation channels that keep the soil in his fields moist. Every m...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

Energy is stored in a battery and in a box of matches. Which type of energy is stored in each of them?[Table_1]| | a battery | a box of matches ...

2010 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A student wishes to measure accurately the volume of approximately 40 cm³ of water. She has two measuring cylinders, a larger one that can hold 100 c...

2014 Summer

Theory

CH2 - FORCES AND MOTION

Which distance/time graph represents the motion of an object moving at constant speed? [Image_1: Graphs A, B, C, D with axes for distance and time]

2014 Summer

Theory

CH2 - FORCES AND MOTION

The graph shows how the speed of a car changes with time. Which calculation gives the distance travelled by the car in 24 seconds?A. $\left(\frac{14}{...

2014 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

Which instrument is used to compare the masses of objects? A. a balance B. a barometer C. a manometer D. a measuring cylinder

2014 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A liquid has a volume of $100 \text{cm}^3$ and a mass of $85 \text{g}$.The density of water is $1.0 \text{g/cm}^3$.How does the density of the liquid ...

2014 Summer

Theory

CH3 - FORCES AND PRESSURE

A plane lamina with centre of mass X touches the ground at point P.Which diagram shows the lamina in equilibrium?

2014 Summer

Theory

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 ha...

2014 Summer

Theory

CH4 - FORCES AND ENERGY

Which energy transfer takes place when a matchstick burns?A. chemical to thermalB. chemical to nuclearC. nuclear to chemicalD. thermal to chemical

2014 Summer

Theory

CH4 - FORCES AND ENERGY

Four cars are driven along a road.The table shows the work done by the engine in each car and the time taken by each car.Which engine produces the mos...

2014 Summer

Theory

CH3 - FORCES AND PRESSURE

Which situation is an example of a force acting over a large area to produce a small pressure?A. a builder hammering a nail into a piece of woodB. a c...

2014 Summer