Circular Motion (Edexcel A Level Physics): Exam Questions

Exam code: 9PH0

50 mins7 questions
1
Sme Calculator
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

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