A body is moved through a displacement of 15m towards the North, the total displacement will be zero when the body covered the same displacement towards:
Correct answer: B. South
- A. North
- B. South
- C. West
- D. East
Explanation
Displacement refers to the change in position of an object and is a vector quantity, meaning it has both magnitude and direction. In this question, the body initially moves 15m towards the North, resulting in a positive displacement of 15m in that direction. To achieve a total displacement of zero, the body must move back the same distance in the opposite direction. Therefore, moving 15m towards the South will cancel out the initial Northward displacement, resulting in a total displacement of zero.Options North, West, and East do not negate the initial displacement of 15m North, hence they do not result in zero total displacement.
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Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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