Pseudo Force: Practice Problem & Solution

Short Solution (Best for NEET):

To solve this problem, we apply the core principles of Pseudo Force. Understanding the underlying formula is key to arriving at the correct answer below:

Assertion (A) is true: When an elevator accelerates upwards with acceleration \(a\), the pseudo force on an object inside is \(ma\) downwards (in the non-inertial frame). So, for upward accelerating elevator, pseudo force on a block is downward.nReason (R) is false: Pseudo force is not a real force applied by the lift; it is an inertial force experienced in a non-inertial reference frame, acting opposite to the acceleration of the frame, not necessarily the direction of motion. Therefore, (A) is true but (R) is false.