A LevelPhysicsEdexcelExam Questions6. Further MechanicsCircular Motion

Circular Motion (Edexcel A Level Physics): Multiple Choice Questions

Exam code: 9PH0

51 mins8 questions

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Circular Motion

1
1 mark

The blade of a lawnmower rotates at a speed of 50 revolutions per second.

Which of the following is the angular speed of the blade in rads s−1?

  • 7.96

  • 15.9

  • 157

  • 314

Choose your answer

2
1 mark

Two points, P and Q, lie on a disc that rotates about a fixed axis. Point P is three times as far from the axis as point Q. The linear speed of point Q is v.

Which of the following gives the linear speed of point P?

  • 13v

  • v

  • 3v

  • 9v

Choose your answer

3
1 mark

A particle moves in a circle of radius r at constant speed v. The centripetal force on the particle is F.

What is the centripetal force on the particle when it moves in a circle of radius r2 at constant speed 2v?

  • F2

  • 2F

  • 4F

  • 8F

Choose your answer