Forces and Electrostatics is one of 9 topics in the Grade 9 Natural Sciences CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. What is a force?
A push or a pull (or a twist) exerted upon an object
Only a pulling motion, never a push
A type of energy stored in food
A measure of an object's mass
Answer: A push or a pull (or a twist) exerted upon an object — A force is a push or a pull (or a twist) exerted upon an object.
Easy
2. In which unit is force measured?
Newtons (N)
Watts (W)
Joules (J)
Kilograms (kg)
Answer: Newtons (N) — Force is measured in units called newtons (N).
Medium
3. Name the broad category of force that results when two bodies are touching each other.
Answer: contact force — A contact force results when two bodies are in contact (touching) with each other, such as friction.
