Question

A body of mass 40 gm is moving with a constant velocity of 2 cm/sec on a horizontal frictionless table. The force on the table is

• A. 39200 dyne
• B. 160 dyne
• C. 80 dyne
• D. Zero dyne

Answer 1

Answer: (A)

39200 dyne

Answer 2

Force on the table = mg =$40 \times 980 =$39200 dyne