Aims…
1.11 describe the effects of forces between bodies such as changes in speed, shape or direction
1.12 identify different types of force such as gravitational or electrostatic
1.13 understand how vector quantities differ from scalar quantities
1.14 understand that force is a vector quantity
1.15 calculate the resultant force of forces that act along a line
1.16 know that friction is a force that opposes motion
——–
1.22 practical: investigate how extension varies with applied force for helical springs, metal wires and rubber bands
1.23 know that the initial linear region of a force-extension graph is associated with Hooke’s law
1.24 describe elastic behaviour as the ability of a material to recover its original shape after the forces causing deformation have been removed.
Resources
This PowerPoint of resources covers most of the key ideas in the unit…
Extra Resources
Video Clips..
GCSE Physics Revision "Contact and Non-contact Forces"
GCSE Physics Revision "Scalar and Vector Quantities"
GCSE Physics - Resultant Forces & Free Body Diagrams
Friction and Drag - GCSE Physics
This video introduces friction and drag, two contact forces. Friction and drag (also called air resistance or water resistance) can be explained with the particle model. These contact forces act ...between objects and can be both useful (like when a bike's tyres are gripping) or not so useful (like air resistance slowing you down).
Friction acts between two solids whereas drag acts between a solid and a fluid. We can reduce friction by lubricating the two objects which slightly separates them, allowing the two surfaces to glide more smoothly over each other. We can reduce drag by streamlining the solid object which reduces collisions with air or water particles, allowing the object to move more smoothly through the fluid.
Thanks for watching,
Lewis
Relevant for GCSE Physics 9-1 in the following exam boards:
AQA (including Trilogy)
Edexcel
CCEA
OCR A
OCR B
WJEC
CIE (Cambridge International Examinations) IGCSE
Edexcel International IGCSE
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#friction #gcsephysics #physicsonlineShow More GCSE Physics - Elasticity, spring constant, and Hooke's Law
Episode 13 Mechanical Advantage and Friction
Amazing Eureka Physics video series from 1 to 30 which through cartoon go through the amazing world of KS3 to A-Level Physics teaching with key concepts.
First released in Canada but ...still going strong!Show More Motion | Distance and Displacement | Physics | Infinity Learn
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In Grade 9 Physics, the concepts of distance and displacement are essential for understanding motion.
Key Concepts:
Distance:
Distance is a scalar quantity that measures the total length of the path traveled by an object, regardless of direction. It is always positive and is measured in units like meters (m). For example, if a person walks 3 meters to the right and then 4 meters to the left, the total distance traveled is 7 meters.
Displacement:
Displacement is a vector quantity that measures the shortest straight-line distance from the initial position to the final position, including direction. It can be positive, negative, or zero, depending on the starting and ending points. Using the previous example, if the person ends up 1 meter to the left of the starting point, the displacement is 1 meter to the left.
Understanding the difference between distance and displacement helps students analyze motion more effectively and provides a foundation for studying more complex topics in kinematics.
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In the Grade 9 Physics course on motion, students will explore the fundamental concepts that govern how objects move. This comprehensive chapter covers essential topics, including:
Types of Motion: Discover the various forms of motion, such as linear (straight-line) motion, circular motion, and oscillatory motion.
Speed and Velocity: Understand the distinction between speed (a scalar quantity) and velocity (a vector quantity), along with the methods for calculating both using distance and time.
Acceleration: Learn about acceleration as the rate of change of velocity, including the concepts of positive acceleration and negative acceleration (deceleration).
Graphs of Motion: Gain skills in interpreting and creating motion graphs, such as distance-time and velocity-time graphs, to visualize how an object's position and velocity change over time.
Equations of Motion: Familiarize yourself with key equations that connect distance, speed, velocity, acceleration, and time, enabling you to solve a variety of motion-related problems.
By the end of this chapter, you will have a thorough understanding of motion, eliminating the need for additional references on this topic. Join us as we delve into the fascinating world of motion!
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In this video, we will learn:
0:00 Understanding Distance Covered
1:22 Displacement
2:10 Difference between Distance & Displacement (Example)
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#Distance #Displacement #Motion #neetanswerkey #neet2025answerkey #srichaitanyaAnswerkeyShow More Q2 4B Energy Trans 1C Force and Motion Hooks June 2018 iGCSE Physics
This is a quick video walkthrough of an Edexcel exam question. It is designed so you can look at questions which relate to questions from specific parts of the course.
It ...is taken from a real paper and I have used a real mark scheme which I have adapted for on-screen use. If you listen carefully it will give you a really good idea of what an examiner is looking for.Show More
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