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Worksheets400 3rd Quarter Review 1617
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
A car (mass=1,500kg) moves at 40 m/s. What is the brake force required to stop the car in 5s?
a)
-12,000 N
b)
-60,000 N
c)
-7,500 N
d)
-3,000 N
2.
Which has more momentum: a 1,000 kg car moving at 1 m/s or a 50 kg person moving at 20 m/s?
a)
Same
b)
Person
c)
Car
d)
Cannot Determine
3.
In a conductor, electrons are
a)
free to move around
b)
tightly bound in the atom
c)
semi-free to move around
d)
not moving at all
4.
In an insulator, electrons are
a)
free to move around
b)
tightly bound in the atom
c)
semi-free to move around
d)
not moving at all
5.
Electric fields go away from ________ charges and towards _______ charges.
a)
positive, negative
b)
positive, positive
c)
negative, positive
d)
negative, negative
6.
If V=10 V and R=20Ω, how much current flows through the circuit?
a)
200 A
b)
2 A
c)
0.5 A
d)
0.8 A
7.
What is the same about any circuit element in series?
a)
All get the same current
b)
All have the same resistance
c)
The voltage across each is the same
d)
None of these
8.
If I add more resistors in series to a circuit, what happens to the overall resistance?
a)
Increases
b)
Decreases
c)
Stays the same
d)
Need more info
9.
If I add more resistors in parallel to a circuit, what happens to the overall resistance?
a)
Increases
b)
Decreases
c)
Stays the same
d)
Need more info
10.
Which of the following is not a vector?
a)
Momentum
b)
Current
c)
Normal Force
d)
Electric Fields
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