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

Theory

CH3 - FORCES AND PRESSURE

The diagrams show two mercury barometers standing side by side. The right-hand diagram shows a tube of bigger diameter, but the diagram is incomplete....

2009 Summer

Theory

CH3 - FORCES AND PRESSURE

A student fills two containers with water (density 1.0 g/cm^3) and two with oil (density 0.8 g/cm^3), as shown in the diagrams.In which container is t...

2009 Summer

Theory

CH3 - FORCES AND PRESSURE

A piston traps a certain mass of gas inside a cylinder. Initially the piston is halfway along the length of the cylinder. The piston is now moved towa...

2009 Summer

Theory

CH3 - FORCES AND PRESSURE

(a) A man squeezes a pin between his thumb and finger, as shown in Fig. 6.1.Fig. 6.1The finger exerts a force of 84 N on the pinhead.The pinhead has a...

2009 Summer

Theory

CH3 - FORCES AND PRESSURE

A water manometer is used to measure the pressure of a gas supply to a house. It gives a reading of $h$ cm of water.Why is it better to use water rath...

2009 Winter

Theory

CH3 - FORCES AND PRESSURE

The diagrams show two swimming pools. One contains fresh water and the other contains salt water. Salt water is more dense than fresh water.At which l...

2009 Winter

Theory

CH3 - FORCES AND PRESSURE

A small amount of air is introduced into the vacuum above the mercury in a mercury barometer tube.The mercury level goes down.Why does the mercury lev...

2009 Winter

Theory

CH3 - FORCES AND PRESSURE

The diagrams show two swimming pools. One contains fresh water and the other contains salt water. Salt water is more dense than fresh water. At which...

2009 Winter

Theory

CH3 - FORCES AND PRESSURE

A water manometer is used to measure the pressure of a gas supply to a house. It gives a reading of $h$ cm of water. [Image] Why is it better to use w...

2009 Winter

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

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

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

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

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

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

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

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

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