In which way are the cathode rays deflected in the x-plates of the Cathode Ray Oscilloscope
2 answers:
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Answer:
Explanation:
First of all, we analyze the vertical direction.
Along this direction, the object is in equilibrium, so its acceleration is zero, and therefore the net force on it is zero. There are only two forces acting on the object vertically: the weight, W (downward), and the normal force, N (upward), and since the net force must be zero, we can write
And since N = 60 N, the weight of the object is
W = 60 N
From this, we can also find the mass of the object, using the equation:
where is the acceleration of gravity.
Now we analyze the forces along the horizontal direction. We have:
A pulling force of F=100 N forward
A frictional resistance of backward
So the equation of motion in this direction is
And solving for a, we find the acceleration of the object:
in the horizontal direction, forward.