Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
Turning forces - Moments
08 April 2012 12:22
·
A spanner as an example has a turning effect on a nut. A spanner has a long handle means
less force needs to be exerted
·
The moment of the force or the turning effect can be increased by o
Increasing…

Page 3

Preview of page 3

Page 4

Preview of page 4
Centre of mass
08 April 2012 12:25
·
For a racing car, the weight must be as low as possible or it would overturn when cornering at
high speeds
· The centre of mass of an object is the point where its mass may be thought to be
concentrated. ·…

Page 5

Preview of page 5

Page 6

Preview of page 6
Moments in balance
08 April 2012 12:29

·
The sum of all clockwise moments about any points = the sum of all anticlockwise moments
about that point o This is the principle of moments. Physics Page 3

Page 7

Preview of page 7

Page 8

Preview of page 8
Stability
08 April 2012 12:32
· Stability and safety · Remember that bodies with a low centre of mass and a broad base are
more stable than bodies with a high centre of mass and a narrow base.
Physics Page 4
Tractor o
safety
A tractor doesn't topple over because…

Page 9

Preview of page 9

Page 10

Preview of page 10
Circular motion
08 April 2012 12:33
·
For an object moving in a circle at constant speed, at any instant: o The object's velocity is
directed along a tangent to the circle o Its velocity changes direction as it moves round o The
change of velocity is towards the centre…

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »

Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
Turning forces - Moments
08 April 2012 12:22
·
A spanner as an example has a turning effect on a nut. A spanner has a long handle means
less force needs to be exerted
·
The moment of the force or the turning effect can be increased by o
Increasing…

Page 3

Preview of page 3

Page 4

Preview of page 4
Centre of mass
08 April 2012 12:25
·
For a racing car, the weight must be as low as possible or it would overturn when cornering at
high speeds
· The centre of mass of an object is the point where its mass may be thought to be
concentrated. ·…

Page 5

Preview of page 5

Page 6

Preview of page 6
Moments in balance
08 April 2012 12:29

·
The sum of all clockwise moments about any points = the sum of all anticlockwise moments
about that point o This is the principle of moments. Physics Page 3

Page 7

Preview of page 7

Page 8

Preview of page 8
Stability
08 April 2012 12:32
· Stability and safety · Remember that bodies with a low centre of mass and a broad base are
more stable than bodies with a high centre of mass and a narrow base.
Physics Page 4
Tractor o
safety
A tractor doesn't topple over because…

Page 9

Preview of page 9

Page 10

Preview of page 10
Circular motion
08 April 2012 12:33
·
For an object moving in a circle at constant speed, at any instant: o The object's velocity is
directed along a tangent to the circle o Its velocity changes direction as it moves round o The
change of velocity is towards the centre…

Comments

No comments have yet been made