GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Two forces of magnitude 20 N and 50 N act simultaneously on a body. Which one of the following forces cannot be a resultant of the two forces?
A
20 N
B
30 N
C
40 N
D
70 N
Explanation: 

Detailed explanation-1: -Two forces of magnitude 20N and 50N act simultaneously on a body. Here only one 20N force out of range. so, option (a) is correct choice.

Detailed explanation-2: -If two forces of 20 N towards north and 12 N towards south are acting on an object. What will be the resultant force? the resultant force is 8N towards the north. Was this answer helpful?

Detailed explanation-3: -Detailed Solution. The correct answer is zero. Equal forces acting in opposite directions are called balanced forces. Balanced forces acting on an object will not change the object’s motion.

Detailed explanation-4: -WHEN TWO OR MORE FORCES ACT SIMULTANEOUSLY AT THE SAME POINT, THEY ARE SAID TO BE ACTING CONCURRENTLY AND ARE CALLED CONCURRENT FORCES.

Detailed explanation-5: -Find the resultant of two forces equal to 50 N and 30 N acting at an angle of 60°. [Ans. 70 N; 21.8°

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