A motion with constant velocity can be represented on a displacement-time graph by?
Correct answer: C. A straight line with a constant gradient
- A. AA horizontal line
- B. A curve line with a decreasing gradient
- C. A straight line with a constant gradient
- D. A* curve line with increasing gradient
Explanation
Option C is correct as a "constant gradient" means there is a constant change in displacement over change of time so velocity is constant.
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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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