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

2

Theory

CH2 - FORCES AND MOTION

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

2011 Winter

1

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

1

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

1

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

1

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

1

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

1

Theory

CH1 - MEASUREMENTS AND UNITS

A cylindrical can is rolled along the ruler shown in the diagram.The can rolls over twice.What is the circumference (distance all round) of the can?A ...

2012 Summer

2

Theory

CH2 - FORCES AND MOTION

A car is moving downhill along a road at a constant speed. Which graph is the speed/time graph for the car?

2012 Summer

1

Theory

CH2 - FORCES AND MOTION

In a race, a car travels 60 times around a 3.6 km track. This takes 2.4 hours.What is the average speed of the car?A 1.5 km/h B 90 km/h C 144 km/h D 2...

2012 Summer

2

Theory

CH3 - FORCES AND PRESSURE

Which quantity is measured in newtons? A) density B) energy C) pressure D) weight

2012 Summer

1

Theory

CH3 - FORCES AND PRESSURE

A geologist places a small rock on the left-hand pan of a balance. The two pans are level as shown when masses with a total weight of 23 N are placed ...

2012 Summer

1

Theory

CH1 - MEASUREMENTS AND UNITS

A stone has a volume of 0.50 cm3 and a mass of 2.0 g.What is the density of the stone?A. 0.25 g/cm3B. 1.5 g/cm3C. 2.5 g/cm3D. 4.0 g/cm3

2012 Summer

1

Theory

CH2 - FORCES AND MOTION

Passengers are not allowed to stand on the upper deck of double-decker buses.upper decklower deckWhy is this?A. They would cause the bus to become les...

2012 Summer

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a handle with three forces, each 100 N, applied to it. The handle is free to move.What is the effect of the forces on the handle?A T...

2012 Summer

1

Theory

CH4 - FORCES AND ENERGY

In which pair of energy sources are both sources renewable?A. oil and coalB. oil and tidalC. tidal and geothermalD. tidal and nuclear fission

2012 Summer

Theory

CH4 - FORCES AND ENERGY

An object on a thread is swinging between X and Z, as shown in the diagram. It is momentarily at rest at X and at Z.An incomplete word equation about ...

2012 Summer

1