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Question

Abody of mass 5 kg is acted upon by two perpendicular forces 8 N and 6N. Give the magnitude and direction of the acceleration of the body.

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Solution

2m/s2,at an angle of 37° with a force of 8 N

Massof the body, m= 5 kg

The givensituation can be represented as follows:

Theresultant of two forces is given as:

θis the angle made by Rwith the force of 8 N

Thenegative sign indicates that θ is in the clockwise direction with respect to the force of magnitude8 N.

Asper Newton’s second law of motion,the acceleration (a)of the body is given as:

F= ma


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