Theory

CH7 - MOTION IN A CIRCLE

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

CH7 - MOTION IN A CIRCLE

(a) Define the radian.  [2] (b) A stone of weight 3.0 N is fixed, using glue, to one end P of a rigid rod CP, as shown in Fig. 1.1. The rod i...

2010 Summer

Theory

CH7 - MOTION IN A CIRCLE

(a) A moon is in a circular orbit of radius $r$ about a planet. The angular speed of the moon in its orbit is $\omega$. The planet and its moon may be...

2011 Winter

Theory

CH7 - MOTION IN A CIRCLE

(a) A moon is in a circular orbit of radius $r$ about a planet. The angular speed of the moon in its orbit is $\omega$. The planet and its moon may be...

2011 Winter

Theory

CH7 - MOTION IN A CIRCLE

The mass $M$ of a spherical planet may be assumed to be a point mass at the centre of the planet. (a) A stone, travelling at speed $v$, is in a circ...

2014 Summer

Theory

CH7 - MOTION IN A CIRCLE

(a) Define the radian. [2] (b) A telescope gives a clear view of a distant object when the angular displacement between the edges of the object ...

2014 Summer

Theory

CH7 - MOTION IN A CIRCLE

A large bowl is made from part of a hollow sphere. A small spherical ball is placed inside the bowl and is given a horizontal speed. The ball follows...

2014 Winter

Theory

CH7 - MOTION IN A CIRCLE

A binary star consists of two stars A and B that orbit one another, as illustrated in Fig. 1.1. The stars are in circular orbits with the centres o...

2016 Summer

Theory

CH7 - MOTION IN A CIRCLE

(a) By reference to the definition of gravitational potential, explain why gravitational potential is a negative quantity. [2] (b) Two stars A and B ...

2016 Summer

Theory

CH7 - MOTION IN A CIRCLE

(a) Explain how a satellite may be in a circular orbit around a planet.  [2] (b) The Earth and the Moon may be considered to be uniform spheres ...

2017 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A student creates a table to show reasonable estimates of some physical quantities. Which row is not a reasonable estimate? [Table_1]

2017 Summer

MCQ

CH3 - KINEMATICS

A particle travels in a straight line with speed $v$. The particle slows down and changes direction. The new speed of the particle is $\frac{v}{2}$. ...

2017 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The speed $v$ of a liquid leaving a tube depends on the change in pressure $\Delta P$ and the density $\rho$ of the liquid. The speed is given by the ...

2017 Summer

MCQ

CH3 - KINEMATICS

The values of displacement, velocity and acceleration of a vehicle can be deduced from graphs representing its motion. Often the areas under these gra...

2017 Summer

MCQ

CH4 - DYNAMICS

A ball is released from rest above a hard, horizontal surface. The graph shows how the velocity of the bouncing ball varies with time. At which point...

2017 Summer

MCQ

CH3 - KINEMATICS

A ball is kicked upwards at an angle of 45° to horizontal ground. After a short flight, the ball returns to the ground. It may be assumed that ai...

2017 Summer

MCQ

CH4 - DYNAMICS

The mass of a rocket-propelled truck is approximately equal to the mass of the fuel in its tank. The fuel is ignited and the truck is propelled along ...

2017 Summer

MCQ

CH3 - KINEMATICS

An object is dropped at time $t = 0$ from a high building. Air resistance is significant. Three graphs are plotted against time. The height of the...

2017 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A student attempts to find the density $\rho$ of aluminium by taking measurements of a rectangular sheet. mass $m = 51.6 \pm 0.1$ g length $l = 100.0 ...

2017 Summer

MCQ

CH4 - DYNAMICS

The graph shows how the momentum of a motorcycle changes with time. What is the resultant force on the motorcycle? 

2017 Summer