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CGP EDU Academic Team
Published on: September 12, 2026
Two trolleys A and B are moving with accelerations a and 2a respectively in the same direction. To an observer in trolley A, the magnitude of pseudo force acting on a block of mass m on the trolley B is ...........
Text Solution
Verified by ExpertsThe correct answer is:
A
Step 1: Identify the accelerations of the trolleys. Trolley A has acceleration a, while Trolley B has acceleration 2a.
Step 2: Since an observer on Trolley A will experience a pseudo force due to the acceleration of Trolley B, the pseudo force (F_p) can be calculated as:
F_p = m * (-a_{relative}) where a_{relative} is the relative acceleration of B with respect to A.
Step 3: The relative acceleration a_{relative} = a_B - a_A = 2a - a = a.
Step 4: Thus, F_p = m * (-a) = -ma.
Step 5: The magnitude of the pseudo force is therefore |F_p| = ma.
Thus, the correct answer is A: ma.
Step 2: Since an observer on Trolley A will experience a pseudo force due to the acceleration of Trolley B, the pseudo force (F_p) can be calculated as:
F_p = m * (-a_{relative}) where a_{relative} is the relative acceleration of B with respect to A.
Step 3: The relative acceleration a_{relative} = a_B - a_A = 2a - a = a.
Step 4: Thus, F_p = m * (-a) = -ma.
Step 5: The magnitude of the pseudo force is therefore |F_p| = ma.
Thus, the correct answer is A: ma.
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