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- (-) Measurement
- (-) Distance and displacement
- (-) Motion under gravity
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Concept of density. This YouTube video will provide information about the concept of density. It’s great to use as an introduction to the topic or as a way to summarise the topic.
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Density of a solid for a regular shaped body. Definition, meaning and its simple calculation
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- Identify when forces are balanced vs unbalanced.
- Determine the sum of forces (net force) on an object with more than one force on it.
- Predict the motion of an object with zero net force.
- Predict the direction of motion given a combination of forces.
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Why do astronauts appear weightless despite being near the Earth?
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Determining how fast something will be traveling upon impact when it is released from a given height.
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Basics of gravity and the Law of Universal Gravitation.
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This unit is about how things move along a straight line or, more scientifically, how things move in one dimension. Examples of this would be the movement (motion) of cars along a straight road or of trains along straight railway tracks.
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In this chapter, we’ll use vectors to expand our understanding of forces and motion into two dimensions. Most real-world physics problems (such as with the game of pool pictured here) are, after all, either two- or three-dimensional problems and physics is most useful when applied to real physical scenarios. We start by learning the practical skills of graphically adding and subtracting vectors (by using drawings) and analytically (with math). Once we’re able to work with two-dimensional vectors, we apply these skills to problems of projectile motion, inclined planes, and harmonic motion.
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Plotting projectile displacement, acceleration, and velocity as a function of time.