Strategies and Tricks Flashcards
1
Q
Forces Question
A
Draw a Free Body Diagram
2
Q
Frictionless Pulley
A
Tension on both sides is the same
3
Q
Inclined Plane
A
Draw a Free Body Diagram with the axes tangential and radial
4
Q
Rotation without an Axle
A
Occurs around the centre of mass, always
5
Q
Moon’s rate of rotation
A
One a month, not daily
6
Q
Orbits
A
Angular Momentum is usually conserved
7
Q
Why Kinetic Energy is Lost
A
It is converted into sound and heat, which are not dependent upon the frame
8
Q
Tipping a table
A
Easiest to do between two legs
9
Q
Momentum of the centre of mass
A
Stays constant, in both elastic and inelastic collisions