GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Isaac Newton’s First Law of Motion also states that a body in motion continues to move at a constant ____ in a straight line unless acted upon by an external force.
A
speed
B
inertia
C
curve
D
stationary
Explanation: 

Detailed explanation-1: -Newton’s first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This tendency to resist changes in a state of motion is inertia.

Detailed explanation-2: -Newton’s first law states that an object will remain at rest or move at a constant speed in a straight line unless it is acted on by an unbalanced force. According to Newton’s first law, an unbalanced force is needed to move the book on your desk.

Detailed explanation-3: -Newton’s First Law of Motion Newton’s 1st law states that a body at rest or uniform motion will continue to be at rest or uniform motion until and unless a net external force acts on it.

Detailed explanation-4: -Newton’s first law of motion states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Detailed explanation-5: -Newton’s first law of motion states the following: A body at rest tends to remain at rest. A body in motion tends to remain in motion at a constant velocity unless acted on by a net external force. (Recall that constant velocity means that the body moves in a straight line and at a constant speed.)

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