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

39200 dyne
160 dyne
80 dyne
Zero dyne

39200 dyne

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160 dyne

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80 dyne

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Zero dyne

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Solution

The correct option is A
39200 dyne

Force on the table will be the weight of body i.e. W = mg
Value of g=980 cm/s²
Force on the table =mg=40×980=39200 dyne

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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 39200 dyne160 dyne80 dyneZero dyne

The correct option is A39200 dyneForce on the table will be the weight of body i.e. W = mgValue of g=980 cm/s2Force on the table =mg=40×980=39200 dyne

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

39200 dyne
160 dyne
80 dyne
Zero dyne

The correct option is A
39200 dyne

Force on the table will be the weight of body i.e. W = mg
Value of g=980 cm/s²
Force on the table =mg=40×980=39200 dyne