Theory

CH8 - GRAVITATIONAL FIELDS

(a) State Newton's law of gravitation.   [2] (b) A planet may be considered as a uniform sphere. A satellite is in circular orbit of perio...

2024 Winter

3

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Define gravitational potential at a point.   [2] (b) A satellite $X$, of mass $M$, orbits a planet at a constant distance $4R$ from the...

2024 Summer

6

Theory

CH8 - GRAVITATIONAL FIELDS

(a) (i) State what is indicated by the direction of the gravitational field line at a point in a gravitational field.[1] (ii) Explain, with reference...

2023 Winter

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) (i) Define gravitational field.   [1] (ii) Define electric field.  [1] (iii) State one similarity and one difference between the ...

2023 Summer

5

Theory

CH8 - GRAVITATIONAL FIELDS

(a) (i) Define gravitational field. [1] (ii) Define electric field.[1] (iii) State $\textbf{one}$ similarity and$\textbf{one} $difference between th...

2023 Summer

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) State the equation for the gravitational force $F$ between two point masses $m_1$ and $m_2$ that are separated by a distance $r$. State the meanin...

2022 Winter

2

Theory

CH8 - GRAVITATIONAL FIELDS

(a) A spherical planet can be considered as a point mass at its centre. (i) On Fig. 1.1, draw gravitational field lines outside the planet to represe...

2022 Winter

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) State the equation for the gravitational force $F$ between two point masses $m_1$ and $m_2$ that are separated by a distance $r$. State the meanin...

2022 Winter

4

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Define gravitational potential.   [2] (b) The Earth E and the Moon M can both be considered as isolated point masses at their centres. ...

2021 Winter

3

Theory

CH8 - GRAVITATIONAL FIELDS

The Earth may be assumed to be an isolated uniform sphere with its mass of $6.0 \times 10^{24} \text{ kg}$ concentrated at its centre. A satellite of...

2021 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which is an SI base unit?

2015 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which pair contains one vector and one scalar quantity?

2015 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

When a constant braking force is applied to a vehicle moving at speed $v$, the distance $d$ moved by the vehicle in coming to rest is given by the exp...

2015 Summer

4

MCQ

CH2 - MEASUREMENT TECHNIQUES

A whale produces sound waves of frequency 5 Hz. The waves are detected by a microphone and displayed on an oscilloscope. What is the time-base setting...

2015 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The angular deflection of the needle of an ammeter varies with the current in the ammeter as shown in the graph. Which diagram could represent the ap...

2015 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

The strain energy $W$ of a spring is determined from its spring constant $k$ and extension $x$. The spring obeys Hooke's law and the value of $W$ is c...

2015 Summer

2

MCQ

CH3 - KINEMATICS

A sphere is released and falls. Its initial acceleration reduces until it eventually begins to travel at constant terminal velocity. Which displacemen...

2015 Summer

3

MCQ

CH3 - KINEMATICS

An insect jumps with an initial vertical velocity of 1.0 $\text{m s}^{-1}$, reaching a maximum height of 3.5 $\times 10^{-2} \text{m}$. Assume the dec...

2015 Summer

2

MCQ

CH3 - KINEMATICS

A body having uniform acceleration $a$ increases its velocity from $u$ to $v$ in time $t$. Which expression would not give a correct value for the bo...

2015 Summer

4

MCQ

CH4 - DYNAMICS

What is a reasonable estimate of the average gravitational force acting on a fully grown woman standing on the Earth?

2015 Summer

2