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

3

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

3

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

2

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

2

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

1

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

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

2

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

1

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

2

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

1

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

2

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

1

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

1

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

2

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

1

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

2