
When two equal forces acting on an object in opposite directions is known as:
A) Equivalent Force
B) Unbalanced Force
C) Balanced Force
D) Parallel Force
Answer
153.9k+ views
Hint: This is a basic NCERT textbook question. Think what will happen if two equal and opposite forces act upon a single body. Also do think about the acceleration produced.
Complete step by step solution:
We know that force is a vector quantity. Thus it has both magnitude and direction.
Let magnitude of each force be $F$
Since both forces are equal in magnitude but opposite in direction, thus we can take one direction will have positive force and the opposite force will be negative. Hence, the forces are
$F$ and $ - F$
Therefore net force is
${F_{net}} = F + ( - F) = 0$
Thus, since the net force is zero, they do not have any acceleration. Hence they are balanced forces. As they balance each other.
Thus option (C) is correct.
Additional Information:
Force is defined as a push or pull. It is known to change the state of a body or rest or of motion. Force is known to produce acceleration. Different types of forces include: electric forces, magnetic forces, wind forces and others. Its S.I unit is Newton, $N$. Forces are classified under different criteria. Most commonly they are classified as physical and non-physical forces. Unbalanced forces are those forces which produce a net acceleration on a body. Equivalent forces are those forces which are equal in magnitude and also in the same direction. Parallel forces are those forces which have the same direction but not necessarily the same magnitude.
Note: Keep in mind the meanings of the forces mentioned in the options. Also do not forget they do not produce any acceleration and hence are balanced. For this case you can say that the forces are antiparallel to each other with equal magnitude. The term antiparallel alone cannot define the given condition as forces with unequal magnitudes can also be antiparallel.
Complete step by step solution:
We know that force is a vector quantity. Thus it has both magnitude and direction.
Let magnitude of each force be $F$
Since both forces are equal in magnitude but opposite in direction, thus we can take one direction will have positive force and the opposite force will be negative. Hence, the forces are
$F$ and $ - F$
Therefore net force is
${F_{net}} = F + ( - F) = 0$
Thus, since the net force is zero, they do not have any acceleration. Hence they are balanced forces. As they balance each other.
Thus option (C) is correct.
Additional Information:
Force is defined as a push or pull. It is known to change the state of a body or rest or of motion. Force is known to produce acceleration. Different types of forces include: electric forces, magnetic forces, wind forces and others. Its S.I unit is Newton, $N$. Forces are classified under different criteria. Most commonly they are classified as physical and non-physical forces. Unbalanced forces are those forces which produce a net acceleration on a body. Equivalent forces are those forces which are equal in magnitude and also in the same direction. Parallel forces are those forces which have the same direction but not necessarily the same magnitude.
Note: Keep in mind the meanings of the forces mentioned in the options. Also do not forget they do not produce any acceleration and hence are balanced. For this case you can say that the forces are antiparallel to each other with equal magnitude. The term antiparallel alone cannot define the given condition as forces with unequal magnitudes can also be antiparallel.
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