Which of the following statement is correct regarding force?
I. If an unbalanced force is applied on the object, there will be a change either in its speed or in the direction of its motion.
II. To accelerate the motion of an object, a balanced force is required.
A.Both I and II
B.Only II
C.Neither I nor II
D.Only I✓ Correct
Explanation
Statement I is correct — an unbalanced force causes a change in speed or direction. Statement II is incorrect because a balanced force results in no acceleration; it is an unbalanced force that is needed to accelerate an object.
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