Linear Kinematics Flashcards
1
Q
Kinematics
A
Describing motion over space and time
2
Q
Linear motion
A
All parts of a body moving in the same direction
3
Q
Rectilinear motion
A
Movement along a straight line
4
Q
Curvilinear motion
A
Movement along a curved path
5
Q
Formula for speed
A
Δdistance / Δtime
6
Q
Formula for velocity
A
Δdisplacement / Δtime
7
Q
4 definitions of a projectile
A
- A body in free-fall
- Subjected only to gravity and air resistance
- Propelled by a force
- Force ceases after launch
8
Q
3 laws of constant acceleration
A
- v2 = v1 + at
- v2(2) = v1(2) + 2ad
- d = v1t + 1/2at(2)
9
Q
Velocity at a projectile’s peak =
A
0m/s
10
Q
The vertical time is ____ the total time
A
Half
11
Q
Terminal velocity
A
The constant maximum velocity reached by a body falling through space under the influence of gravity
12
Q
Biomechanics
A
The study of the mechanical workings of biological systems