Circular Motion Velocity

Quiz
•
Physics
•
12th Grade
•
Hard
+2
Standards-aligned
Charles Martinez
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For a particle moving in a circle with uniform speed, which one of the following statements is incorrect?
The velocity of the particle is constant.
The force on the particle is always perpendicular to the velocity of the particle.
There is no displacement of the particle in the direction of the force.
The kinetic energy of the particle is constant.
Tags
NGSS.HS-PS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the angular speed of a satellite in a geo-synchronous orbit around the Earth?
7.3 × 10–5 rad s–1
2.6 × 10–1 rad s–1
24 rad s–1
5.0 × 106 rad s–1
Tags
NGSS.HS-ESS1-4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A particle of mass m moves in a circle of radius r at uniform speed, taking time T for each revolution. What is the kinetic energy of the particle?
Pi2mr/T2
Pi2mr2/T2
2Pi2mr2/T
2Pi2mr2/T2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For a particle moving in a circle with uniform speed, which one of the following statements is correct?
The displacement of the particle is in the direction of the force.
The force on the particle is in the same direction as the direction of motion of the particle.
The momentum of the particle is constant.
The kinetic energy of the particle is constant.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A fairground roundabout makes nine revolutions in one minute. What is the angular speed of the roundabout?
0.15 rad s–1
0.34 rad s–1
0.94 rad s–1
2.1 rad s–1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A mass on the end of a string is whirled round in a horizontal circle at increasing speed until the string breaks. The subsequent path taken by the mass is
a straight line along a radius of the circle.
a horizontal circle.
a parabola in a horizontal plane.
a parabola in a vertical plane.
Tags
NGSS.HS-PS2-1
NGSS.HS-PS2-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A particle of mass m moves in a circle of radius r at a uniform speed with frequency f. What is the kinetic energy of the particle?
(mf2r2)/(4π2)
(mf2r)/2
2π2mf2r2
4π2mfr3
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A laboratory centrifuge rotates at 1500 revolutions per minute.
Which of the following expressions gives the angular velocity in radians per second?
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