Kinematics Flashcards
1
Q
What is Distance
A
Distance is the length of path travelled by body regardless of direction of motion
2
Q
What is displacement
A
Displacement is the distance of body or point in a specified direction from reference point
3
Q
What is speed
A
Distance travelled divided by time taken
4
Q
What is velocity
A
Rate of change of displacement
5
Q
What is acceleration
A
Rate of change of velocity
6
Q
1.Speeding up
2.Slowing down
(signs of acceleration and velocity
A
1.direction of acceleration same as direction of velocity
2.direction of acceleration opposite to direction of velocity
7
Q
Conditions for kinematic equations
A
- constant acceleration
- motion in straight line
8
Q
Kinematics equation
A
- v = u + at
- s = ut + 1/2at2
- v2 = u2 + 2as
9
Q
Acceleration of free fall
A
acceleration of a body towards the surface of Earth when the only force acting on it is its weight
