PHY 112 Exam 1 Questions & Answers
(Grade A+)
the experiment of rods rubbed with wool/silk, this shows that there
is a __________ between identical objects charged the same way -
correct answer ✅long-range repulsive force
electric force -
correct answer ✅the force between charged objects
T/F: the electric force can be repulsive and attractive -
correct answer ✅true
When a plastic rod rubbed with wool is put near another plastic rod
rubbed with wool what happens -
correct answer ✅there is a repulsion
when a plastic rod rubbed with wool is put near a glass rod rubbed
with silk what happens -
correct answer ✅there is an attraction
does distance effect the electric force? and how? -
correct answer ✅yes it decreases
, PHY 112 Exam 1 Questions & Answers
(Grade A+)
does the strength of rubbing the material against the rods effect
the electric force? -
correct answer ✅yes, the more vigorous the stronger the strength
what is a charge diagram -
correct answer ✅a schematic picture of the charge distribution
When a plastic rod is rubbed by wool what happens (charge wise) -
correct answer ✅not only does the plastic rod acquire the
negative charge but the wool acquires a positive charge
A neutral object contains ___________ of positive and negative
charge -
correct answer ✅equal amounts
the law of conservation of charge -
correct answer ✅charge is neither created nor destroyed, only
transferred from one place to another
discharging -
correct answer ✅is removing a charge from an object which you
can do by touching it
(Grade A+)
the experiment of rods rubbed with wool/silk, this shows that there
is a __________ between identical objects charged the same way -
correct answer ✅long-range repulsive force
electric force -
correct answer ✅the force between charged objects
T/F: the electric force can be repulsive and attractive -
correct answer ✅true
When a plastic rod rubbed with wool is put near another plastic rod
rubbed with wool what happens -
correct answer ✅there is a repulsion
when a plastic rod rubbed with wool is put near a glass rod rubbed
with silk what happens -
correct answer ✅there is an attraction
does distance effect the electric force? and how? -
correct answer ✅yes it decreases
, PHY 112 Exam 1 Questions & Answers
(Grade A+)
does the strength of rubbing the material against the rods effect
the electric force? -
correct answer ✅yes, the more vigorous the stronger the strength
what is a charge diagram -
correct answer ✅a schematic picture of the charge distribution
When a plastic rod is rubbed by wool what happens (charge wise) -
correct answer ✅not only does the plastic rod acquire the
negative charge but the wool acquires a positive charge
A neutral object contains ___________ of positive and negative
charge -
correct answer ✅equal amounts
the law of conservation of charge -
correct answer ✅charge is neither created nor destroyed, only
transferred from one place to another
discharging -
correct answer ✅is removing a charge from an object which you
can do by touching it
