ZIMSEC O-Level Combined Science
7.3.3.1Forces and their effects
Forces and their effects in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic42 practice questions3 lessons
Overview
Forms 1 and 2.
Learning objectives
What the syllabus expects you to be able to do.
- 7.3.3.1.1Demonstrate the effects of forces on position, shape and size, and identify types of force.
- 7.3.3.1.2State the newton as the unit of force and measure forces with a spring balance or forcemeter.
- 7.3.3.1.3Calculate the resultant of forces in a line and distinguish balanced from unbalanced forces.
- 7.3.3.1.4Define friction, measure it and state its applications.
Lessons
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Forces and changes of shape: Hooke's law
25 min
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Friction and drag
20 min
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Resultant force and Newton's laws
30 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Forces and their effects into a strength.
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