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  1. Two 5N forces act at the same point.What should the angle between the two forces be if the...

  2. ...amp;Z boson 1. how many fundamental forces of nature are there acting between one electron and one down quark? Ans:EM (Electromagnetism...

  3. ...=ma in this case, F=(m+M)a while force acting on block A by block B, f=Ma a=...block A. 2007-02-22 23:18:59 補充: so the force acting on block B by block A is FM...

  4. ...acceleration of the blocks is a , Force acting on B by A is f1, Force acting ...the rule F = ma Resultant Force acting on block B = Force acting on ...

  5. (a) Action - acted backward on the road surface given by the person Reaction - acted ...

  6. downward force act on block B=mg+F=0.6*10+10=16N T2 is caused by downward force act on block B so T2=16N downward force act on block A=mg+F=0.4*10+16=20N T1 is ...

  7. ... to Newton's second law, there is a force acting on the object, which is the centripedal force. Centrifugal force is...

  8. ... By Cosine Law. The resultant force, F acting on each mass = √[(6.67 X 10-11)2 + (6.67 X 10-11)2 – 2(6.67...

  9. newton's third law: Action and Reaction are equal and opposite. If an object1 exerts an action on object2, object2 will have a reaction force equal and opposite to the action acting on object1.

  10. The Force ACTING ON B BY C : UPWARD (因為相拒) The... ACTING ON B as there are two forces acting on B, one is LEFTWARD,ONE IS UPWARD...

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