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WorksheetsEMF_U2_2_Lorentz Force_Torque_Magnetic potentials
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
What happens to the magnetic potential energy when the same poles are far apart?
a)
increases
b)
decreases
c)
stays the same
2.
What will happen to the potential energy of the magnets as the N and S get close?
a)
increase
b)
decrease
c)
stay the same
d)
there is none
3.
The area around a magnet is called the .....
a)
attraction zone
b)
work area
c)
magnetic field
d)
hot zone
4.
What would happen is a north pole of a magnet came close to a north pole of another magnet?
a)
they would be attracted to each other
b)
they would be repelled from each other
5.
Where is the the pushing or pulling force of a magnet strongest?
a)
In the middle of the magnet
b)
At the ends of the magnet
c)
Same all the way through the magnet
d)
none of them
6.
The easiest way to open a heavy door is by applying the force
a)
Near the hinges
b)
In the middle of the door
c)
At the edge of the door far from the hinges
d)
At the top of the door
7.
What is the Unit for Torque
a)
Nm
b)
N
c)
W
d)
J
8.
Torque is the product of a force exerted on an object times the lever arm.
a)
True
b)
False
9.
Does a bridge anchored resting on two pillars have any torque?
a)
No, it isn't moving
b)
Yes, but it is at equilibrium
c)
Yes, but it will soon break because of the torque
d)
No, Bridges can't have torque
10.
When an object is experiencing a net torque
a)
it is in dynamic equilibrium.
b)
it is in static equilibrium.
c)
it is rotating.
d)
it is translating.
11.
A centripetal force causes an acceleration.
a)
True
b)
False
12.
Which kind of movement is depicted in the picture?
a)
Rotary
b)
Linear
c)
Oscillating
d)
Reciprocating
13.
Which represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
14.
Which of the following depict the speed of the blowing ball?
a)
A
b)
B
c)
C
d)
D
15.
Where is the net force when the rollercoaster is at the top of the loop?
a)
Towards the sky
b)
Towards the Right
c)
Towards the left
d)
Towards the ground
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