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

CH4 - DYNAMICS

What is a reasonable estimate of the volume of an adult person?

2021 Summer

MCQ

CH14 - WAVES

Which combination of units could be used for expressing the power dissipated in a resistor?

2021 Summer

MCQ

CH4 - DYNAMICS

A force of 10 N and a force of 5 N act on an object. The angle between the forces is 150°. The resultant force on the object can be resolved i...

2021 Summer

MCQ

CH14 - WAVES

A signal of frequency 25 Hz is displayed on the screen of a cathode-ray oscilloscope. What is the time-base setting? 

2021 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A micrometer screw gauge is used to measure the diameter of a wire.The reading on the micrometer with the jaws closed is ($-0.05 \pm 0.02$) mm.The rea...

2021 Summer

MCQ

CH3 - KINEMATICS

A projectile is launched at an angle to the horizontal at time $t = 0$. It travels over horizontal ground, as shown. Air resistance is negligible. ...

2021 Summer

MCQ

CH3 - KINEMATICS

A train, initially at rest at a station, has a uniform acceleration of $0.20 \, \text{m} \, \text{s}^{-2}$ until it reaches a speed of $20 \, \text{m}...

2021 Summer

MCQ

CH4 - DYNAMICS

A rocket is fired from the Earth into space. Newton’s third law of motion describes how forces act in pairs. One of the forces of a pair is the...

2021 Summer

MCQ

CH4 - DYNAMICS

The graph shows how quantity $P$ varies with quantity $Q$ for a body falling vertically downwards in a uniform gravitational field with air resistance...

2021 Summer

MCQ

CH4 - DYNAMICS

Which quantities are conserved in an inelastic collision?

2021 Summer