in equilibrium the turning moments balance on a body.
4 of 18
The upward forces on a light beam, supported at the end...
vary with the position of an object placed on the beam.
5 of 18
For springs, metal wires and rubber bands extention varies with...
the applied force.
6 of 18
Hooke's law states that...
the extension of a spring or wire is proportional to the applied force. This law is associated with the initial linear region of a force-extension graph.
7 of 18
Elastic return to...
their original state once force is removed.
8 of 18
Planets are orbited by...
moons.
9 of 18
The Solar System is part of...
the Milky Way galaxy.
10 of 18
A galaxy consists of...
billions of stars.
11 of 18
The universe is a large collection of...
galaxies.
12 of 18
Gravitational field strengh is different on...
different planets and moons.
13 of 18
G has units of...
N/kg.
14 of 18
Moons orbit planets and planets orbit the sun because of...
gravitational force.
15 of 18
Most planet's orbits are...
circular.
16 of 18
Comet's orbits are...
elongated and elliptical.
17 of 18
Orbital spead =
2 x pie x orbital radies / time period
18 of 18
Other cards in this set
Card 2
Front
The unit of the moment is...
Back
Nm.
Card 3
Front
The weight of a body acts through...
Back
Card 4
Front
The principle of moments states that...
Back
Card 5
Front
The upward forces on a light beam, supported at the end...
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