Starting from rest, A flat car is given a constant acceleration a 0 = 2 m/s 2 . A cable is connected to a crate A of mass 50 kg as shown. Neglect the friction between floor and car wheels and mass of pulley. The coefficient of friction between crate & floor of the car is µ = 0.3. The tension in cable is -
Text Solution
Verified by ExpertsThe correct answer is:
B
If acceleration of the car is a 0 , acceleration of the block 2a 0 = 2 × 2 = 4 m/s 2 ( → )
F = µN = 0.3 × 50 × 10 = 150
T – F = ma
⇒ T – 150 = 50 × 4
⇒ T = 350 N.
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