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

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagram shows an enlarged drawing of the end of a metre rule. It is being used to measure the length of a small feather. What is the length of th...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

The speed-time graph shown is for a car moving in a straight line. What is the acceleration of the car when the time is 40s?

2016 Summer

MCQ

CH2 - FORCES AND MOTION

Two runners take part in a race. The graph shows how the speed of each runner changes with time. What does the graph show about the runners at time $t...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

A satellite orbits the Earth above the atmosphere at a constant speed. The diagram shows the satellite at one point in its circular orbit around the E...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

A cup contains hot liquid.Some of the liquid evaporates.What happens to the mass and what happens to the weight of the liquid in the cup?[Table_1]

2016 Summer

MCQ

CH3 - FORCES AND PRESSURE

The diagrams show three uniform beams P, Q, and R, each pivoted at its centre. The two forces acting on each beam are also shown. Which beams rotate c...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

An object of mass 50 kg accelerates from a velocity of 2.0 m/s to a velocity of 10 m/s in the same direction.What is the impulse provided to cause thi...

2016 Summer

MCQ

CH2 - FORCES AND MOTION

A scalar quantity has

2016 Summer

MCQ

CH4 - FORCES AND ENERGY

Energy is released in some nuclear reactions. Which nuclear reaction takes place in a nuclear power station, and which nuclear reaction takes place in...

2016 Summer

MCQ

CH4 - FORCES AND ENERGY

A lorry of mass 4000 kg is travelling at a speed of 4.0 m/s. A car has a mass of 1000 kg. The kinetic energy of the car is equal to the kinetic energ...

2016 Summer