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

A length of cotton is measured between two points on a ruler. When the length of cotton is wound closely around a pen, it goes round six times.What is...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

When does an object falling vertically through the air reach terminal velocity?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving along a straight, level road, with a constant acceleration. Which graph shows the motion of the car?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a beam balance. A beaker with a wire loop balances the standard masses.The beaker is then removed and hung from a spring. The spring e...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

An object always has mass but does not always have weight.What must be present and acting on the mass for it to have weight?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A force acting on a moving ball causes its motion to change. This force stays constant.What makes the force produce a greater change in the motion of ...

2018 Summer

MCQ

CH3 - FORCES AND PRESSURE

A balloon and a mass are attached to a rod that is pivoted at P.The balloon is filled with helium, a gas less dense than air, so that it applies an up...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving in a straight line on a level road. Its engine provides a forward force on the car. A second force of equal size acts on the car due t...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Which expression gives the momentum of an object?

2018 Summer

MCQ

CH4 - FORCES AND ENERGY

As energy is transferred into different forms, it eventually becomes dissipated. What does this mean?

2018 Summer