Question

Which of the following is an incorrect statement?

A. Mass is measure of inertia of a body.

B. Newton’s first law of motion is the law of inertia.

C. Unbalanced force produces constant velocity.

D. Newton’s third law talks about the direction of the force.

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Answer 1

Answer:

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The Correct Answer is option 'C'

Explanation:

A force is a push or a pull that is capable of changing the velocity of a mass. Forces are measured in “Newtons” or “N”, in honor of Sir Isaac Newton. According to Mr. Newton, an object will only accelerate if there is “net force” acting upon it. A net force is the sum of all forces acting on an object. A net force is capable of accelerating a mass. Newtons, forward. Motion to the right is positive. Motion to the left is negative.

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Answer 2

Answer:

C. Unbalanced force produces constant velocity.

Explanation:

• An imbalanced force creates a change in motion since it is unopposed. An unbalanced force is referred to as a net force. The item will not accelerate and the velocity will remain constant if the forces are equal (in equilibrium) and there is no net force.

• Unbalanced force indicates that the net force exerted on the item is greater than zero, implying that acceleration is greater than zero. Because acceleration is defined as a change in velocity, velocity cannot be constant when acceleration is non-zero.