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 scientist needs to determine the volume of a small, irregularly shaped rock sample. Only a rule and a measuring cylinder, partially filled with wate...

2010 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A student uses a stopwatch to time a runner running around a circular track. The runner runs two laps (twice around the track). The diagrams show the ...

2010 Summer

Theory

CH2 - FORCES AND MOTION

Two distance/time graphs and two speed/time graphs are shown. Which graph represents an object that is at rest? [Image_1: Graphs A, B, C, and D]

2010 Summer

Theory

CH2 - FORCES AND MOTION

A snail moves along a ruler. It takes 20s to move from Q to R.What is its average speed from Q to R?A. $\frac{12}{20}$ cm/sB. $\frac{12 - 2}{20}$ cm/s...

2010 Summer

Theory

CH2 - FORCES AND MOTION

Two blocks of metal X and Y hang from spring balances as shown in the diagram.What does the diagram show about X and Y?A. They have the same mass and ...

2010 Summer

Theory

CH2 - FORCES AND MOTION

The graph shows how weight varies with mass on planet P and on planet Q.An object weighs 400 N on planet P. The object is taken to planet Q. Which row...

2010 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

The diagram shows a rectangular block of density $2\, \text{g/cm}^3$.What is the mass of the block?A 2g   B 6g   C 14g   D 24g

2010 Summer

Theory

CH2 - FORCES AND MOTION

Which statement about a moving object is correct? A. When an object is accelerating, the resultant force acting on it must equal zero. B. When an obje...

2010 Summer

Theory

CH3 - FORCES AND PRESSURE

An experiment is carried out to measure the extension of a rubber band for different loads.The results are shown below.[Table_1]Which figure is missin...

2010 Summer

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