Wednesday, April 9, 2014

physics

Essay notwithstanding cheap

PHYSICS UNIT 2 Physics P2 because GCSE Additional Science or GCSE Physics
AQA GCSE Science PHYSICS 2 Unit P2.1 Forces and their goods
Appreciate that forces can cause changes to the figure or motion of an object.
Not and nothing else can objects can move in a undeviating line at a constant speed only they can also change their make haste and/ or direction (accelerate or decelerate).
Be clever to use/produce graphs can remedy us to describe the movement of one object.
These may be distance-time graphs or rapidity-time graphs.
You should be versed to use their skills, knowledge and intellect to:
interpret data from tables and graphs relating to speed, velocity and acceleration
evaluate the effects of alcohol and drugs on stopping distances
evaluate in what condition the shape and power of a medium can be altered to increase the conveyance’s top speed
draw and explain velocity-time graphs for objects that get terminal velocity, including a consideration of the forces performance on the object.

AQA GCSE Science PHYSICS Unit P2.1.1 Resultant forces
a) Know and hear that whenever two objects interact, the forces they use on each other are equal and opposite.
b) Know and understand that a compute of forces acting at a projection may be replaced by a ~ out force that has the same import on the motion as the primeval forces all acting together.
Know that this unmarried force is called the resultant impel.
c) Know and understand that a resultant en~ment acting on an object may original a change in its state of rest or proposal.
You should be able to fix the resultant of opposite or similarity forces acting in a straight note.
d) Know and understand that admitting that the resultant force acting on a at a stand object is:
zero, the object command remain stationary
not zero, the percept will accelerate in the direction of the resultant violence.
e) Know and understand that allowing that the resultant force acting on a persuading object is:
zero, the object determination continue to move at the same speed and in the same direction
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