Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Define the $\emph{torque}$ of a couple.   [2] (b) A torque wrench is a type of spanner for tightening a nut and bolt to a particular to...

2009 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

What is the centre of gravity of an object?

2009 Winter

MCQ

CH5 - FORCES, DENSITY & PRESSURE

The diagrams show two ways of hanging the same picture. In both cases, a string is attached to the same points on the picture and looped symmetrica...

2009 Winter

MCQ

CH5 - FORCES, DENSITY & PRESSURE

The diagram shows two pulley wheels connected by a belt. Wheel Q is driven by a motor and rotates clockwise at a constant rate. Wheel Q puts tensio...

2009 Winter

MCQ

CH5 - FORCES, DENSITY & PRESSURE

The diagram shows an ice cube floating in water. Both the ice cube and the water are at 0°C. Which statement correctly compares the molecular ...

2009 Winter

MCQ

CH5 - FORCES, DENSITY & PRESSURE

In the kinetic model of gases, what is pressure equal to?

2009 Winter

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A rectangular metal bar exerts a pressure of 15 200 Pa on the horizontal surface on which it rests. If the height of the metal bar is 80 cm, what is ...

2009 Winter

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) (i) State one similarity between the processes of evaporation and boiling.   [1] (ii) State two differences between the processes of ev...

2009 Winter

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Forces of 3 N, 4 N and 5 N act at one point on an object. The angles at which the forces act can vary. What is the value of the minimum resultant for...

2010 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

An object, immersed in a liquid in a tank, experiences an upthrust. What is the physical reason for this upthrust?

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a reasonable estimate of the mass of a raindrop?

2020 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

Which quantity is a scalar?

2020 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A galvanometer of resistance 5\(\Omega\) is to be used in a null method.In order to protect the galvanometer from damage due to an excessive initial c...

2020 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

Readings are made of the current $I$ for different voltages $V$ across a fixed resistor. The results are plotted on a graph to show the variation of $...

2020 Summer

MCQ

CH3 - KINEMATICS

A stone is dropped from a height of 20 m above water. The graph shows the variation with time of the velocity of the stone. Which statement describ...

2020 Summer

MCQ

CH3 - KINEMATICS

A car X is travelling at a constant speed $u$ along a straight road. At time $t = 0$ a second car Y is a distance $d_0$ behind car X and travelling at...

2020 Summer

MCQ

CH4 - DYNAMICS

The resultant force acting on an object is slowly increased. Which graph could show the variation with time $t$ of the momentum $p$ of the object?&nb...

2020 Summer

MCQ

CH4 - DYNAMICS

An astronaut has a weight of 660 N when she is standing on the Earth's surface. The acceleration of free fall on the surface of Mars is $3.71 \, \tex...

2020 Summer

MCQ

CH4 - DYNAMICS

A mass $m_1$ travelling with speed $u_1$ collides with a mass $m_2$ travelling with speed $u_2$ in the same direction. After the collision, mass $m_1$...

2020 Summer

MCQ

CH4 - DYNAMICS

The diagrams show a negative electric charge situated in a uniform electric field and a mass situated in a uniform gravitational field. Which row s...

2020 Summer