Demonstration: The higher the viscosity of a liquid the more it resists motion of a body through it. The result can be very...

Practical Activity 14-16

Class practical: An object falling through water reaches a constant terminal velocity after falling relatively small distances...

Practical Activity 14-16

This episode starts by considering the forces acting on a falling body in air, and moves on to related experimental work.

Lesson 16-19

In the standing bottle, gravity pulls on the water so it presses on the bottom and sides and escapes through the hole. When...

Enrichment Activity 5-11 11-14

The terminal velocity of a skydiver in the spread-eagled position is around 220 km/hr and, in the head-down position, 320 km...

Stories from Physics 11-14 14-16