Kinematics Question 739

Question: A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force is [KCET 2001; CBSE PMT 1999; JIPMER 2001, 02]

Options:

A) 250 N

B)750 N

C) 1000 N

D)1200 N

Show Answer

Answer:

Correct Answer: C

Solution:

$ v=36\frac{km}{h}=10\frac{m}{s} $ $ F=\frac{mv^{2}}{r}=\frac{500\times 100}{50}=1000N. $



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