Advanced Mechanics Interactive Quiz 1

Questions.

Question 1.

Question 2.

Question 3.

Question 4.

A string with a mass was attached to roof of a bus travelling at a constant velocity.

From HSC 2018 paper

The bus then enters a round about, without changing it’s speed on the speedometer.

Question 5.

Answers.

  1. a – the centripetal force allows the car to turn around a corner as seen in figure 1.
  2. d
  3. a – they are falling together so there is no normal force, gravity is still acting on them
  4. b, d – both apply
  5. C – The net force doesn’t change, it is the velocity in the y direction

Sideforce is the New Downforce : Building Speed
https://buildingspeed.org/2008/05/27/yaw_and_torque/

Figure 1. Centripetal force acting on a car in circular motion

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