When a body moves in a straight line then it's displacement concides with:
Correct answer: A. Distance
- A. Distance
- B. Force
- C. Acceleration
- D. Length
Explanation
Displacement is the shortest distance between the initial and final points. So, in other words, it is the distance measured along the straight lines joining the initial and final positions. And distance is the length of the total path travelled by the body between the initial and final points,Thus if the body moves along a straight line, distance will be equal to displacement.
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About Force and Motion
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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