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Physics
A body of mass 40 g is moving with constant velocity of 2 cm/sec on a horizontal frictionless table. The force on the table is :
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Q. A body of mass 40 g is moving with constant velocity of 2 cm/sec on a horizontal frictionless table. The force on the table is :
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BVP Medical 2002
A
160 dyne
B
39200 dyne
C
80 dyne
D
zero
Solution:
Body is moving with constant velocity, it means there is no acceleration, so from Newtons 2nd law F=ma, a=0, so no force acts.