Theory

CH4 - DYNAMICS

A pinball machine uses a spring to launch a small metal ball of mass $4.5 \times 10^{-2}\text{ kg}$ up a ramp. The spring is compressed by $8.0 \times...

2024 Summer

5

Theory

CH4 - DYNAMICS

(a) State the principle of conservation of momentum    [2] (b) An object of mass $2m$ is travelling at a speed of $5.0 \text{ m s}^{-1}$ in...

2024 Summer

3

Theory

CH4 - DYNAMICS

(a) State Hooke's law.    [1] (b) The variation of the applied force with the extension for a sample of a material is shown in Fig. 3.1. ...

2024 Summer

10

Theory

CH4 - DYNAMICS

(a) State the principle of conservation of momentum.   [2] (b) A ball X has mass 240 g and moves in a straight line on a horizontal frictio...

2024 Winter

5

Theory

CH4 - DYNAMICS

(a) Compare an $\alpha$-particle with a $\beta^+$ particle in terms of their masses and charges. [3] (b) Nucleus P undergoes $\alpha$-decay to f...

2024 Winter

5

MCQ

CH4 - DYNAMICS

Two objects X and Y form an isolated system. X and Y collide and then separate. The mass of X is greater than the mass of Y. Which statement about th...

2024 Winter

4

MCQ

CH4 - DYNAMICS

What is meant by the mass and by the weight of an object on the Earth?

2024 Summer

5

MCQ

CH4 - DYNAMICS

A lift (elevator) consists of a passenger car supported by a cable that runs over a light, frictionless pulley to a counterbalance. The counterbalance...

2024 Winter

4

MCQ

CH4 - DYNAMICS

Two train carriages each of mass 5000 kg roll toward one another on a horizontal frictionless track. One is travelling at a speed of 2.00 $m s^{-1}$ a...

2024 Winter

3

MCQ

CH4 - DYNAMICS

A lead pellet is shot vertically upwards into a clay block that is stationary at the moment of impact, but is able to rise freely after impact. The...

2024 Summer

6

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which unit is not an SI base unit?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

What is the best estimate of the number of atoms in a piece of metal of volume 50 cm$^3$?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

A copper pipe has a true diameter of 42.03 mm.A builder measures the diameter of the pipe five times using digital calipers. The measurements are show...

2023 Summer

3

MCQ

CH3 - KINEMATICS

Two forces, each of 10 N, act at a point P, as shown. The angle between the directions of the forces is 120°. What is the magnitude of the result...

2023 Summer

2

MCQ

CH3 - KINEMATICS

One object moves directly from P to R. In a shorter time, a second object moves from P to Q to R. Which statement about the two objects is correct...

2023 Summer

3

MCQ

CH3 - KINEMATICS

A ball is kicked so that it has an initial velocity of 12 m s⁻¹ at an angle of 50° to horizontal ground. Assume that air resistance is neg...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A camera drone of mass 1.20 kg hovers at a fixed point above the ground. The drone has four propellers. In a time of 1.00 s, each propeller pushes ...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A box rests on the Earth, as shown. Newton’s third law describes how forces of the same type act in pairs. One of the forces of a pair is the w...

2023 Summer

3

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A small ball is held at the surface of liquid oil in a container. The ball is released from rest and falls through the oil. The ball has velocity $v$....

2023 Summer

3

MCQ

CH4 - DYNAMICS

An object of mass $m$, moving at speed $u$ along a frictionless horizontal surface, collides head-on with a stationary object of mass $4m$. After t...

2023 Summer

2