1.2 Kinematics Flashcards
1
Q
What is the difference between a vector and a scalar?
A
Scalars have Magnitude, Vectors have both magnitude AND direction.
2
Q
Which of the following are vectors and which are scalars?
Time Displacement speed Temperature Current Velocity Density Force Weight Mass Acceleration Distance
A
the vectors are:
Displacement Acceleration velocity force weight
and the scalars are
Current Density Mass Distance Speed Time Temperature
3
Q
what does the law of equilibrium state?
A
the law of equilibrium states that:
“In order for a body to be in a state of equilibrium, the net rotational force acting on it must equal zero
