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A block of mass M is kept on earth.Earth exerts a force of Mg downwards.what's the reaction pair of this force?

A block of mass M is kept on earth.Earth exerts a force of Mg downwards.what's the reaction pair of this force?

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3 Answers

Chetan Mandayam Nayakar
312 Points
11 years ago

earth AND block exert gravitational force Mg on each other. In addition block and earth exert normal reaction of Mg on each other.

Viral A. Parmar
41 Points
11 years ago

mg upwards

Ashwin Muralidharan IIT Madras
290 Points
11 years ago

Hi Swapan,

 

Please note, Action and Reaction are oposite forces, acting on two different bodies (either in Contact/not in contact).

 

Have a look at this diagram:

Hope that helps.

 

All the best,

Regards,

Ashwin (IIT Madras).

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