Theory

CH13 - OSCILLATIONS

A vertical peg is attached to the edge of a horizontal disc of radius $r$, as shown in Fig. 4.1. The disc rotates at constant angular speed $\omega...

2009 Summer

Theory

CH13 - OSCILLATIONS

The variation with time $t$ of the displacement $x$ of the cone of a loudspeaker is shown in Fig. 4.1. (a) Use Fig. 4.1 to determine, for these osc...

2009 Winter

Theory

CH13 - OSCILLATIONS

The variation with displacement $x$ of the acceleration $a$ of the centre of the cone of a loudspeaker is shown in Fig. 3.1. (a) State the two feat...

2009 Winter

Theory

CH13 - OSCILLATIONS

(a) State what is meant by (i) $\textit{oscillations}$,  [1] (ii) $\textit{free oscillations}$,  [1] (iii) $\textit{simple harmonic motio...

2010 Summer

Theory

CH13 - OSCILLATIONS

A long strip of springy steel is clamped at one end so that the strip is vertical. A mass of 65 g is attached to the free end of the strip, as shown i...

2010 Summer

Theory

CH13 - OSCILLATIONS

A long strip of springy steel is clamped at one end so that the strip is vertical. A mass of 65g is attached to the free end of the strip, as shown in...

2010 Summer

Theory

CH13 - OSCILLATIONS

A student sets up the apparatus illustrated in Fig. 3.1 in order to investigate the oscillations of a metal cube suspended on a spring. The amplitu...

2010 Winter

Theory

CH13 - OSCILLATIONS

A student sets up the apparatus illustrated in Fig. 3.1 in order to investigate the oscillations of a metal cube suspended on a spring. The amplitu...

2010 Winter

Theory

CH13 - OSCILLATIONS

A cylinder and piston, used in a car engine, are illustrated in Fig. 3.1. The vertical motion of the piston in the cylinder is assumed to be simple...

2010 Winter

Theory

CH13 - OSCILLATIONS

(a) Define simple harmonic motion.   [2] (b) A tube, sealed at one end, has a total mass $m$ and a uniform area of cross-section $A$. The t...

2011 Summer

Theory

CH2 - MEASUREMENT TECHNIQUES

Measurements made for a sample of metal wire are shown in Fig. 1.1. Fig. 1.1 (a) State the appropriate instruments used to make each of these meas...

2011 Summer

Theory

Kinetic Energy

(a) Explain what is meant by work done. [1] (b) A car is travelling along a road that has a uniform downhill gradient, as shown in Fig. 2.1. ...

2011 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Explain what is meant by centre of gravity. (b) Define moment of a force. (c) A student is being weighed. The student, of weight $W$, stands 0.3...

2011 Summer

Theory

CH9 - DEFORMATION OF SOLIDS

(a) Define, for a wire, (i) stress,    [1] (ii) strain.    [1] (b) A wire of length 1.70 m hangs vertically from a fixed point,...

2011 Summer

Theory

CH20 - D.C. CIRCUITS

(a) A variable resistor is used to control the current in a circuit, as shown in Fig. 5.1. The variable resistor is connected in series with a 12V po...

2011 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) State two assumptions of the simple kinetic model of a gas.   [2] (b) Use the kinetic model of gases and Newton's laws of motion to exp...

2011 Summer

Theory

CH15 - SUPERPOSITION

(a) Explain the term interference.   [1] (b) A ripple tank is used to demonstrate interference between water waves. Describe (i) the appa...

2011 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) Distinguish between scalar quantities and vector quantities. [2] (b) In the following list, underline all the scalar quantities. accelerati...

2011 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) A sphere of radius $R$ is moving through a fluid with constant speed $v$. There is a frictional force $F$ acting on the sphere, which is given by ...

2011 Summer

Theory

Potential Energy

(a) (i) Explain what is meant by work done. [1] (ii) Define power. [1] (b) Fig. 3.1 shows part of a fairground ride with a carriage on rai...

2011 Summer