Non-Inertial Reference Frames
Physics ⇒ Mechanics
Non-Inertial Reference Frames starts at 11 and continues till grade 12.
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See sample questions for grade 12
A ball is dropped from rest in a train accelerating forward with acceleration a. Describe the path of the ball as seen by an observer inside the train.
A ball is thrown straight up in a train moving at constant velocity. Where does the ball land as seen by a passenger inside the train?
A car suddenly brakes, and a passenger lurches forward. Explain this phenomenon using the concept of non-inertial frames.
A pendulum is suspended from the ceiling of a train accelerating forward. In which direction will the pendulum bob be displaced?
A ball is dropped from rest in a train accelerating forward with acceleration a. Describe the path of the ball as seen by an observer inside the train.
A ball is thrown straight up in a train moving at constant velocity. Where does the ball land as seen by a passenger inside the train?
A car suddenly brakes, and a passenger lurches forward. Explain this phenomenon using the concept of non-inertial frames.
A mass m is placed on a frictionless table inside a train accelerating at a. What is the magnitude and direction of the fictitious force acting on the mass?
Which of the following is a consequence of being in a non-inertial reference frame? (1) Objects obey Newton's first law, (2) Fictitious forces must be considered, (3) No acceleration is observed, (4) All forces are real
Which of the following is a correct statement about fictitious forces? (1) They arise due to real physical interactions, (2) They are required to apply Newton's laws in non-inertial frames, (3) They are present in all reference frames, (4) They are always attractive
Which of the following is a correct statement about the centrifugal force? (1) It acts toward the center of rotation, (2) It is a real force in inertial frames, (3) It is a fictitious force in rotating frames, (4) It is independent of mass
Which of the following is an example of a non-inertial reference frame? (1) A car moving at constant velocity, (2) A car accelerating on a straight road, (3) A stationary train, (4) A satellite in uniform motion in space
Fill in the blank: In a non-inertial frame, Newton's second law is modified to include __________ forces.
Fill in the blank: In a rotating reference frame, the total fictitious force acting on a particle is the sum of the centrifugal force and the __________ force.
Fill in the blank: The acceleration of a non-inertial reference frame is always measured relative to an __________ frame.
Fill in the blank: The Coriolis force acts on objects moving in a __________ reference frame.
True or False: Fictitious forces can do work on objects in a non-inertial frame.
True or False: In a non-inertial reference frame, fictitious forces must be introduced to explain the motion of objects.
True or False: The centrifugal force is a real force that acts on objects in an inertial frame.
True or False: The Coriolis force is responsible for the deflection of winds on Earth.
