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ALL PHYSICS DOUBTS - POST HERE !!
kashim:
Can somebody upload the physics AQA A unit 2 January 2010 paper and mark scheme? I'm really struggling in general and really need as much practice as possible.
Vin:
--- Quote from: ambitious94 on May 25, 2010, 12:27:53 pm ---Now my turn to get help :P
First Question:
A ball is thrown upwards.
What effect does the force of gravity have on the ball?
A It produces a constant acceleration downwards.
B It produces a constant acceleration upwards.
C It produces a decreasing acceleration upwards.
D It produces an increasing acceleration downwards.
Answer's A. How can it accelerate downwards, when it's mocing upwards? ???
--- End quote ---
read the ques ! What effect does the force of gravity have on the ball? acts always downwards ;) uniformly on a body ..
ambitious94:
Next question:
The object in the diagram is acted upon by the two forces shown.
3N--> object<--2N
What is the effect of these forces?
A The object moves to the left with constant speed.
B The object moves to the left with constant acceleration.
C The object moves to the right with constant speed.
D The object moves to the right with constant acceleration.
Answer's D. Just wanna clarify. A resultant force on an object causes it to accelerate then move in a constant speed, or does it cause it to accelerate constantly? :S HELP HELLPPPP
Vin:
--- Quote from: kashim on May 25, 2010, 12:30:04 pm ---Can somebody upload the physics AQA A unit 2 January 2010 paper and mark scheme? I'm really struggling in general and really need as much practice as possible.
--- End quote ---
HAVE U POSTED IN THE RIGHT BOARD ??
ambitious94:
--- Quote from: ~VIN1094~ on May 25, 2010, 12:31:16 pm ---read the ques ! What effect does the force of gravity have on the ball? acts always downwards ;) uniformly on a body ..
--- End quote ---
OOOH YEA...well ain't u genius ;) :D....THANKSSSSSSSSSS
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