問題一覧
1
The speed of an object specific moment in time
Instantaneous velocity
2
Is the motion along a circular path?
Curvilinear motion
3
An object is in motion if its position changes in relation to some stationary objects
Motion
4
Is described as any object moving swinging back-and-forth, moving up and down
Vibrational motion
5
Is the path of a projector that is determined by vertical and horizontal motions
Trajectory
6
Is the length of the actual path traveled
Distance
7
Is a measure of how fast it moves
Speed
8
Is a reliably known digit
Significant figures
9
Is the length and direction of the change in position?
Displacement
10
Is a branch of physics that deals with emotion of objects and the forces that change
Mechanics
11
Describes the quantitative description of motion
kinematics
12
It is the motion of a body along a straight line
Rectilinear Motion
13
Is there any object which has any initial velocity and Then follows above, determined entirely by the effect of air resistance and gravitational force
Projectile
14
When an object falls forward to the ground
Freefall
15
Is the speed of one object as observed from another moving object
Relative speed
16
Deals with forces and their effect on motion
Dynamics
17
Is a vector quantity that measures the rate at which an objects velocity changes
Acceleration
18
An object, speed and direction are both unchanging
Constant velocity
19
Deals with the study of forces acting on bodies at rest
Statics
20
Acceleration that keeps an object moving in a circular path
Centripetal acceleration
21
The speed in a given direction
Velocity
22
Refers to the branch of physics that deals with motion of objects and the forces acting on them
Classical mechanics
23
Is any motion of an object projected by some means into the air at an angle?
Projectile motion
24
Displacement of an object
Motion
25
Is a specific subset of classical mechanics that is based on Isaac Newton law
Newtonian mechanic