2025 IGCSE - Motions, Forces and Energy
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13 Terms
Increasing speed is called…
acceleration
Decreasing speed is called…
deceleration
In distance-time graphs, acceleration is shown as an…
upwards curve
In distance-time graphs, deceleration is shown as a…
downwards curve
In distance-time graphs, an object that is stationary is shown as…
a straight horizontal line
In distance-time graphs, constant speed is shown as…
a straight diagonal line
In speed-time graphs, constant speed is shown as…
a straight horizontal line
In speed-time graphs, constant acceleration is shown as…
a straight diagonal line
In speed-time graphs, an object that is stationary is shown as…
no line
Mass is…
the measure of the quantity of an object
Weight is…
the measure of a gravitational force on an object that has mass
Friction is…
a force between two surfaces that may impede relative motion and produce heat
Newton's First Law of Motion
an object at rest or at constant speed will remain so unless acted upon by a resultant force
Note 
Flashcards (58)