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WorksheetsPrior Knowledge on Angular Momentum
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
A change in velocity is called
a)
speed.
b)
displacement.
c)
acceleration.
d)
a vector.
2.
α=ΔtΔω is called
a)
angular
velocity
b)
angular acceleration
c)
rotational inertia
3.
What is the Unit for Torque
a)
Nm
b)
N
c)
W
d)
J
4.
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
5.
Analogue of mass in rotational motion is
a)
moment of inertia
b)
radius of gyration
c)
torque
d)
angular momentum
6.
Rotational inertia equals to
a)
m
b)
mv2
c)
mr
d)
mr2
7.
The product of mass and velocity in linear motion is named as
a)
kinetic energy
b)
displacement
c)
momentum
d)
power
8.
Angular momentum is the product of
(a)
9.
When a torque acting upon a system is zero. Which of the following will be constant?
a)
Force
b)
Linear impulse
c)
Linear momentum
d)
Angular momentum
10.
A skater start spinning on the tips of her skates at low angular velocity with arm outstretched.
What would happen when she brings her arms close to her body
a)
She will spin slower
b)
She will spin faster
c)
She will spin at the same velocity
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