Convertions, acceleration, newtons 1 law, vector, scalar Flashcards
(24 cards)
1 ft= ______ inches?
12 inches
1 mile = _______ Ft?
5280 ft
5280 ft = _________
1 mile
12 inches = _________
1 ft
1km=
1000m
100 cm=
1 meter
1000m =
1 km
1 lb =
16 ounces
1 min=
60 sec
1 hour =
60 min
1 hour = ? Sec
3600 sec
Reference point is?
Point of location
Vector is?
Size and direction (velocity)
Scalar is?
Size (speed)
Acceleration is ?
The change in velocity over time
Acc is measured by? (Unit)
M/s2
Acc formula?
Vf-Vi
________
Time
^ or /\ is?
Change in
Decelerarion is?
Decrease in velocity(negative acc)
Acc in a graph is always a?
Curve
Centripetal acceleration is?
Acc directed towards the center of circular path
What is newtons 1st Law of Motion?
An object at rest will stay at rest and an object in motion will stay in motion at constant velocity, unless acted upon by an unbalanced force.
Newtons 1st law is also named?
Law of inertia
1 yard=?
3 ft