Consider a person's frame of reference in each of the following situations. Choose all situations in which the person's frame of reference is inertial?
The person is swinging back and forth on a swing at a playground.
The person is in a car traveling in a straight line along a level highway at a constant speed.
The person is at an amusement park riding in Ferris wheel at a constant speed.
The person is sitting on a park bench feeding pigeons.
The person is in the space shuttle during lift-off.
The person is swinging back and forth on a swing at a playground.
NO, ACCELERATING !
The person is in a car traveling in a straight line along a level highway at a constant speed.
YES, CONSTANT V, NO EXTERNAL FORCES CAUSING ACCELERATION
The person is at an amusement park riding in Ferris wheel at a constant speed.
NO - CENTRIPETAL ACCELERATION BALANCED NY INWARD FORCE, VELOCITY VECTOR CHANGING DIRECTION ALL THE TIME
The person is sitting on a park bench feeding pigeons.
YES, CALM.
The person is in the space shuttle during lift-off.
YIKES , NO, Upward acceleration I hope