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Motion is defined as the change in the position of a body concerning time and a reference point. This chapter explores key concepts of linear motion, including important terms like distance, displacement, speed, and velocity, as well as graphical representations of motion and the equations governing uniformly accelerated motion, including free fall under gravity.
Chapter 29 sections
Motion is defined as the change in the position of a body concerning time and a reference point. This chapter explores key concepts of linear motion, including important terms like distance, displacement, speed, and velocity, as well as graphical representations of motion and the equations governing uniformly accelerated motion, including free fall under gravity.
Motion is the change in position of an object over time.
Distance is a scalar quantity, while displacement is a vector quantity.
Acceleration can be positive (speeding up) or negative (deceleration), and it is calculated as the change in velocity over time.
The total path length travelled by an object, expressed in metres.
The shortest distance from the initial to the final position, which can be positive, negative, or zero.
The rate of change of distance, measured in metres per second (m/s) or kilometres per hour (km/h).
The rate of change of displacement over time, also measured in m/s or km/h.
The rate of change of velocity, defined as the change in velocity divided by the time taken.
The motion of an object under the influence of gravity alone, with an acceleration due to gravity approximately equal to 9.8 m/s².
Total Questions
2
Estimated Time
4 min
Passing Score
70%
2 more questions available