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

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