Theory

CH9 - DEFORMATION OF SOLIDS

A spring having spring constant $k$ hangs vertically from a fixed point. A load of weight $L$, when hung from the spring, causes an extension $e$. The...

2009 Summer

MCQ

CH9 - DEFORMATION OF SOLIDS

Which is the  best defines elastic and plastic behaviour of a material?

2009 Winter

MCQ

CH9 - DEFORMATION OF SOLIDS

The graph shows the non-linear force-extension curve for a wire made from a new composite material. What could be the value of the strain energy st...

2009 Winter

MCQ

CH9 - DEFORMATION OF SOLIDS

A steel string on an electric guitar has the following properties: diameter = $5.0 \times 10^{-4}\, \text{m}$ Young modulus = $2.0 \times 10^{11}\, ...

2009 Winter

Theory

CH9 - DEFORMATION OF SOLIDS

A uniform wire has length $L$ and area of cross-section $A$. The wire is fixed at one end so that it hangs vertically with a load attached to its free...

2009 Winter

Theory

CH9 - DEFORMATION OF SOLIDS

(a) Explain what is meant by strain energy (elastic potential energy).   [2] (b) A spring that obeys Hooke's law has a spring constant $k$....

2009 Winter

MCQ

CH9 - DEFORMATION OF SOLIDS

In stress-strain experiments on metal wires, the stress axis is often marked in units of $10^8$ Pa and the strain axis is marked as a percentage. This...

2010 Summer

MCQ

CH9 - DEFORMATION OF SOLIDS

A spring is compressed by a force. The graph shows the compressing force $F$ plotted against the length $L$ of the spring. What is the spring const...

2010 Summer

MCQ

CH9 - DEFORMATION OF SOLIDS

Which graph represents the force-extension relationship of a rubber band that is stretched almost to its breaking point?

2010 Summer

MCQ

CH9 - DEFORMATION OF SOLIDS

A spring is compressed by a force. The graph shows the compressing force $F$ plotted against the length $L$ of the spring What is the spring consta...

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

When a force $F$ moves its point of application through a displacement $s$ in the direction of the force, the work $W$ done by the force is given by $...

2012 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a possible unit for the product $VI$, where $V$ is the potential difference across a resistor and $I$ is the current through the same resistor...

2012 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a reasonable estimate of the average kinetic energy of an athlete during a 100 m race that takes 10 s?

2012 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A light-meter measures the intensity $I$ of the light falling on it. Theory suggests that $I$ varies inversely as the square of the distance $d$. W...

2012 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

In an experiment, a radio-controlled car takes $2.50 \pm 0.05$ s to travel $40.0 \pm 0.1$ m. What is the car’s average speed and the uncertaint...

2012 Summer

MCQ

CH3 - KINEMATICS

In an experiment to determine the acceleration of free fall using a falling body, what would lead to a value that is too large?

2012 Summer

MCQ

CH3 - KINEMATICS

Which feature of a graph allows acceleration to be determined?

2012 Summer

MCQ

CH3 - KINEMATICS

The diagram shows a laboratory experiment in which a feather falls from rest in a long evacuated vertical tube of length $L$. The feather takes tim...

2012 Summer

MCQ

CH3 - KINEMATICS

In the absence of air resistance, a stone is thrown from P and follows a parabolic path in which the highest point reached is T. The stone reaches poi...

2012 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Each option gives a correct word equation involving force. Which option gives the definition of force?

2012 Summer