mechanics: Media
physics
Videos
How rockets work: Newton's third law of motion explained
Newton's third law as illustrated by a rocket launch.
Newton's law of gravitation: Apollo 15 gravitation experiment
Apollo 15 commander David Scott dropping a 1.32-kg (2.91-pound) aluminum geological...
How does Earth orbit around the Sun?
Explanation of how objects under the influence of gravity move in orbits.
Images
forces in balance
When an object is acted on by equal and opposite forces, it is at rest.
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mass held by springs
Figure 2: (A) A mass m held in equilibrium by springs. (B) A mass m...
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path of projectile
Figure 5: (A) The parabolic path of a projectile. (B) The parabolic path of a projectile...
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circle segment
Figure 7: A segment of a circle of radius L (see text).
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circular motion
Figure 8: (A) A coordinate system to describe uniform circular motion. (B) The distance...
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centripetal force and acceleration
The bucket experiences a centripetal acceleration, and thus a centripetal force,...
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effects of gravity on the Moon and Earth
Effects of gravity on Earth and the Moon.
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angular momentum
Figure 10: The angular momentum L of a particle traveling in a circular...
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centre of mass of Earth-Sun system
Figure 11: The centre of mass of the two-body Earth-Sun system.
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centre of mass
Figure 12: The centre of mass of an N-body system (see text).
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collision between equal-mass particles
Figure 13: Collision between two particles of equal mass.
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collision between two equal-mass particles
Figure 14: Collision between two particles of equal mass as seen from the centre-of-mass...
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body under equal and opposite forces
(A) A body in equilibrium under equal and opposite forces. (B) A body not in equilibrium...
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resultant and equilibrant forces
Figure 18: The resultant force (FR)...
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compression and tension
Figure 19: (A) Compression produced by equal and opposite forces. (B) Tension produced...
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body supported under tension and compression
Figure 20: (A) A body supported by two rigid members under tension. (B) A body supported...
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forces acting on Earth's equatorial bulges
Figure 25: Forces acting on equatorial bulges in (A) the summer and (B) the winter...
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