Physics motion in a straight-line chapter 3 grade 11 Questions & Answers
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Physics motion in a straight-line chapter 3 grade 11 Questions & Answers
Motion
Change in position of an object wrt time
Rectilinear motion
Motion along a straight line
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Physics motion in a straight-line chapter
3 grade 11 Questions & Answers
Motion - answer Change in position of an object wrt time
Rectilinear motion - answer Motion along a straight line
Origin - answer Is the point of intersection of the axes and is the reference point
Frame of reference - answer The coordinate system and a clock constitute a frame
of reference
Uniform motion - answer When an object is traveling in a straight line and covers
equal distances in equal intervals of time
Average velocity - answer Is the change in displacement by the change in time
Can average velocity be positive or negative - answer Yes
Average speed - answer Total distance travelled by total time taken
The velocity at an instant is defined as - answer The limit of the average velocity as
the time interval becomes infinitesimally small
Average acceleration - answer Change in velocity divided by the time interval
Formula for v - answer V = u + at
In velocity time graphs - answer The area under the curve represents the
displacement in the time interval
Projectile - answer An object that is in flight after being thrown or projected
Uniform circular motion - answer Is when an object moves in a circular path at a
constant speed
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