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Cyber-chess a chess instruction site
Questions on Forces

Q1. The diagram shows a firework rocket.

(a) Three forces act as the rocket flies through the air. Which arrows show the directions of these three forces?

A (Thrust from the fuel combustion)

D (air resistance - always in the opposite direction to travel)

E (gravity)

3 marks

(b) When there is no fuel left, the rocket falls to the ground.

(i) Give the name of the force which pulls it down.

Gravity (or weight of rocket)

1 mark

(ii) Give the name of the force which acts against the motion of the rocket.

Air resistance

1 mark

Maximum 5 marks