Question

A body of mass 2kg is acted upon by two forces of magnitude 3N and 4N if the net acceleration produced by these forces is 2.5m/s^. What is the angle between the two forces? ​

Answer 1

Answer:

The angle between the two forces is 90°

Explanation:

We know that F=ma

F=2×2.5

F=5N

That means the resultant force is 5N

We know that R=√P²+Q²+2PQcosΘ

5=√3²+4²+24cosΘ

5²=9+16+24cosΘ

25=25+24cosΘ

24cosΘ=0

cosΘ=0

Since cosΘ=0,

Θ=90°

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