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WorksheetsRotate and Revolve
Total questions: 11
Worksheet time: 7mins
Name
Class
Date
1.
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
2.
What is the Unit for Torque
a)
Nm
b)
N
c)
W
d)
J
3.
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.
4.
A construction worker is worried about applying too much torque to a bolt using his wrench. What could he do to reduce his torque on the bolt?
a)
Increase the length of the wrench
b)
Increase the force on wrench
c)
Reduce the length of the wrench
d)
Reduce the friction between the bolt and wrench
5.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
6.
What are the units of momentum?
a)
kg
b)
m/s
c)
kg⋅m/s
d)
N
7.
Which of the following correctly defines impulse?
a)
change of momentum
b)
force over time
c)
magnitude of impact
d)
all of these are correct
8.
What is the momentum of a charging rhino?
a)
2 × 10² kg⋅m/s
b)
3 × 10² kg⋅m/s
c)
2 × 10⁴ kg⋅m/s
d)
3 × 10⁴ kg⋅m/s
9.
A change in velocity over time is called ___________.
a)
speed
b)
force
c)
acceleration
d)
direction
10.
Newton's second law of motion describes acceleration as force divided by __________.
a)
mass
b)
inertia
c)
speed
d)
direction
11.
If a net force acts on a moving object in the direction that the object is moving, the object will slow down.
a)
True
b)
False
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