Theory

CH3 - KINEMATICS

A skydiver jumps from an aircraft at time $t = 0$ and falls vertically downwards. The variation with $t$ of her velocity $v$ is shown in Fig. 2.1. ...

2024 Summer

4

Theory

CH3 - KINEMATICS

A well has a depth of 36 m from ground level to the surface of the water in the well, as shown in Fig. 1.1. A student wishes to find the depth of t...

2023 Summer

4

Theory

CH3 - KINEMATICS

(a) State what is meant by the centre of gravity of an object.[1] (b) Two blocks are on a horizontal beam that is pivoted at its centre of gravity, a...

2023 Summer

6

Theory

CH3 - KINEMATICS

A trolley A moves along a horizontal surface at a constant velocity towards another trolley B which is moving at a lower constant speed in the same di...

2023 Winter

3

Theory

CH3 - KINEMATICS

A rigid uniform beam of weight $W$ is connected to a fixed support by a hinge, as shown in Fig. 2.1. A compressed spring exerts a total force of 8....

2023 Summer

3

MCQ

CH3 - KINEMATICS

A person stands on the edge of a high cliff that is next to the sea. The person throws a stone vertically upwards. Air resistance acts on the stone. ...

2022 Summer

5

MCQ

CH3 - KINEMATICS

A small glider moves along a horizontal air track as shown. At each end of the air track, the glider has a perfectly elastic collision with a fixed...

2022 Summer

5

MCQ

CH3 - KINEMATICS

A child of mass 20 kg stands on the rough surface of a sledge of mass 40 kg. The sledge can slide on a horizontal frictionless surface. One end of a ...

2022 Summer

5

Theory

CH3 - KINEMATICS

A sphere is attached by a metal wire to the horizontal surface at the bottom of a river, as shown in Fig. 2.1. The sphere is fully submerged and in...

2022 Summer

5

Theory

CH3 - KINEMATICS

(a) Define velocity. [1] (b) A constant driving force of 2400N acts on a car of mass 1200kg. The car accelerates from rest in a straight line al...

2022 Summer

6

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which quantity with its unit is correct?

2016 Summer

2

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The luminosity $L$ of a star is given by $L = 4\pi r^2 \sigma T^4$ where $r$ is the radius of the star, $T$ is the temperature of the star, $\sig...

2016 Summer

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The diagram shows two vectors X and Y, drawn to scale. If X = Y − Z, which diagram best represents the vector Z?

2016 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

The diagram shows a cathode-ray oscilloscope (c.r.o.) being used to measure the rate of rotation of a flywheel.The flywheel has a small magnet M mount...

2016 Summer

2

MCQ

CH2 - MEASUREMENT TECHNIQUES

A student determines the density $\rho$ of steel by taking measurements from a steel wire. mass $m = 6.2 \pm 0.1 \text{ g}$ length $l = 25.0 \pm 0.1 \...

2016 Summer

3

MCQ

CH3 - KINEMATICS

The acceleration of free fall on the Moon is $1.6 \, \text{m}\,\text{s}^{-2}$. The Moon has no atmosphere. An astronaut standing on the surface of the...

2016 Summer

2

MCQ

CH3 - KINEMATICS

A tennis ball is released from rest at the top of a tall building. Which graph best represents the variation with time $t$ of the acceleration $a$ of ...

2016 Summer

3

MCQ

CH3 - KINEMATICS

The graph shows how the velocity $v$ of an object moving in a straight line varies with time $t$ from $t = 0$ to $t = T$. Which graph represents th...

2016 Summer

3

MCQ

CH4 - DYNAMICS

A ball falls vertically onto horizontal ground and rebounds, as shown. The ball has momentum $p_1$ downwards just before hitting the ground. After ...

2016 Summer

3

MCQ

CH4 - DYNAMICS

A sphere falls from rest through the air. The graph shows the variation with time of the sphere’s velocity. Which diagram shows the forces ac...

2016 Summer

3