Physics Unit Test Teks

Quiz
•
Physics
•
11th - 12th Grade
•
Hard
+3
Standards-aligned
Charles Martinez
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For a small θ, angular displacement is quantity
Scalar
Neither scalar nor vector
Vector
None
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In circular motion, if the angular velocity and angular acceleration becomes parallel, then the motion becomes:
Slower
Constant
Faster
Both ‘A’ and ‘C’
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A child riding on a large merry-go-round, travels a distance of 3000m in a circle of diameter 40m. The total angle through which child revolves is:
50 rad
75 rad
150 rad
314 rad
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A body moves in a circle with increasing angular velocity. At time t= 6sec, the angular velocity is 27rad/s. What is the radius of circle made by the body where linear velocity is 81cm/s?
6cm
9cm
3cm
7cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A particle of mass m is moving in a horizontal circle of radius R with a uniform speed. When it moves to a point diametrically opposite then
K.E. changes by mv2 /4
Momentum does not change
Momentum changes by -2 mv
K.E. changes by mv2
Tags
NGSS.HS-PS2-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A particle of mass 2 kg is moving along a circular path of radius 1 m. if its angular speed is 2π rad s–1, the centripetal force on it is:
4π N
8π N
4π4 N
8π2 N
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In circular motion, the radius vector
Changes in direction but has a fixed magnitude
Has constant magnitude and direction
Changes in magnitude only
Changes in magnitude as well as direction
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