Theory

CH2 - FORCES AND MOTION

Fig. 1.1 shows the speed/time graph for a car travelling along a straight road. The graph shows how the speed of the car changes as the car passes thr...

2010 Summer

6

Theory

CH2 - FORCES AND MOTION

(a) Define acceleration. Explain any symbols in your definition..........................................................................................

2011 Winter

2

Theory

CH2 - FORCES AND MOTION

Two students make the statements about acceleration that are given below.Student A: For a given mass the acceleration of an object is proportional to ...

2010 Summer

5

Theory

CH2 - FORCES AND MOTION

The graph shows how the speed of a car changes with time. Between which two times is the car stationary?A U and VB V and WC W and XD X and Y

2011 Winter

2

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

3

Theory

CH2 - FORCES AND MOTION

Four athletes run twice around a track. The table shows their times at the end of each lap.Which athlete runs the second lap the fastest?[Table_1]athl...

2010 Winter

3

Theory

CH2 - FORCES AND MOTION

An object of weight $W$ is suspended by two ropes from a beam, as shown in Fig. 1.1.The tensions in the ropes are 50.0 N and 86.6 N, as shown.(a) In t...

2010 Winter

3

Theory

CH2 - FORCES AND MOTION

(a) Complete the table below to identify the physical quantities as scalars or vectors.[Table_1]\begin{array}{|c|c|}\hline \text{physical quantity} & ...

2011 Summer

2

Theory

CH2 - FORCES AND MOTION

A car travels around a circular track at constant speed.(a) Why is it incorrect to describe the circular motion as having constant velocity?.............

2010 Winter

2

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

2

Theory

CH1 - MEASUREMENTS AND UNITS

The diagrams show the readings on a measuring cylinder before and after a small metal cube is added.How many more identical cubes can be added to the ...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

Which person is experiencing an acceleration?A. a driver of a car that is braking to stop at traffic lightsB. a passenger in a train that is stationar...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

A car travels at various speeds during a short journey. The table shows the distances travelled and the times taken during each of four stages P, Q, R...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

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

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

A 1 kg sample of aluminium is stored in a laboratory. In a different laboratory, in the same town, there is a 1 kg sample of iron.Which quantity must ...

2013 Summer

1

Theory

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder has a mass of 120g when empty.When it contains 50cm3 of a liquid, the total mass of the measuring cylinder and the liquid is 160g...

2013 Summer

1

Theory

CH2 - FORCES AND MOTION

A car moves along a level road.The diagram shows all of the horizontal forces acting on the car.Which statement is correct?A. The car is slowing down....

2013 Summer

1

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a force being applied to a lever to lift a heavy weight. Which change would enable the heavy weight to be lifted with a smaller forc...

2013 Summer

1

Theory

CH4 - FORCES AND ENERGY

The diagram shows a hydroelectric system. What are the main energy changes taking place?A. chemical energy \(\rightarrow\) kinetic energy \(\rightarro...

2013 Summer

1

Theory

CH4 - FORCES AND ENERGY

An escalator (moving stairs) and a lift (elevator) are both used to carry passengers from the same underground railway platform up to street level.The...

2013 Summer

1