In: Physics
A small gla
ss bead has been charged to + 10.0 nC . A small metal ball bearing 2.40 cm above the bead feels a 1.10×10−2 N downward electric force. What is the charge on the ball bearing?
Given:
The electric force between the metal ball bearing and glass bead,
Charge on glass bead,
Distance between the metal ball bearing and glass bead,
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Electric force,
Given:
1. The metal ball bearing is above the glass bead.
2. The metal ball bearing is experiencing a downward electric force.
3. The charge on the glass bead is positive.
Like charges repel and unlike charges attract. The glass bead is attracting the metal ball bearing with a downward force.
So charge on the metal ball should be Negative.
ANSWER:
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