Forces and Motion

Measurement of g using an electronic timer

Class practical: This experiment gives a direct measurement of the acceleration due to gravity.

Practical Activity 14-16

Motion of a ball rolling down a plank

Demonstration and Class practical: This is a version of an experiment devised and carried out by Galileo. He used it to...

Practical Activity 14-16

Multiflash photographs of free fall

Demonstration: This provides an interesting and graphic way of obtaining a value for the acceleration of a falling object...

Practical Activity 14-16

Multiflash photographs of motion down a slope

Demonstration: A steel ball rolls down a slope, starting from rest.

Practical Activity 14-16

Newton's Third Law

Action and reaction: trolleys

Demonstration: Convincing kinaesthetic experience that forces come in pairs.

Practical Activity 14-16

Newton's Third Law

Action and reaction with a metre rule

Demonstration: Illustrating Newton's Third Law of Motion.

Practical Activity 14-16

Newton's Third Law

Skateboard forces

Demonstration: Forces on a student and skateboard are equal and opposite.

Practical Activity 14-16

Carbon dioxide puck on a glass plate

Demonstration: To show the link between constant speed in a straight line and constant speed in circular motion.

Practical Activity 14-16

Experimental test of F = mv²/R

Class practical: Measuring the variables involved in circular motion, to find out whether the formula for centripetal...

Practical Activity 14-16

Fine beam tube

Demonstration: This shows an electron beam being deflected by a magnetic field into a circular path.

Practical Activity 14-16

Centripetal Force

Further test of mv²/R

Class practical: This is a modification of the practical, Experimental test of F = mv²/R.

Practical Activity 14-16