Quiz
Energy, Acceleration and Force Revision Quiz
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Fragen in diesem Quiz (20)
1The graph displays an objects position vs. time. During what time interval does the object have an acceleration?
- AA
- BB
- CC
- DD
2The graph displays an objects position vs. time. During what time interval is the object not moving?
- AA
- BB
- CC
- DD
3When does the object have a constant negative velocity?
- AA
- BB
- CC
- DD
4What is the unit for force?
- ANewtons
- BJoules
- CWatts
- Dkg
5What are the units for energy?
- AJoule
- BWatts
- CNewtons
- DPounds
6Weight is the same thing as mass.
- ARichtig
- BFalsch
7The coefficient of friction is measured in________________.
- AN
- Bkg
- CJoules
- DThere are no units!
8When you double the speed of the object you double its_____________________
- AKinetic Energy
- BPotential Energy
- CMomentum
9145.000 has_______significant figures
- A3
- B4
- C5
- D6
10Momentum is always conserved for a single object.
- ARichtig
- BFalsch
11Total kinetic energy is always conserved for inelastic collisions.
- ARichtig
- BFalsch
12Total kinetic energy is conserved during elastic collisions.
- ARichtig
- BFalsch
13What determines the force of static friction acting on an object? (check all that apply)
- AThe coefficient of friction between the surfaces.
- BThe normal force of the surface
- CThe speed of the object
- DThe energy of the object
14When an projectile reaches its peak flight its___________________________. (check more than one box)
- AVelocity is 0m/s
- BAcceleration is 0m/s/s
- CVertical Velocity is 0m/s
- DHorizontal Velocity is 0m/s
- EAcceleration is -9.81m/s/s
- FForce is 0N
15When an object is accelerating we can use the d=rt formula to solve problems involving that object.
- ARichtig
- BFalsch
16A projectiles vertical speed is constant (assuming no air resistance).
- ARichtig
- BFalsch
17A projectile's horizontal speed (assuming no air resistance) is constant.
- ARichtig
- BFalsch
18If the Earth somehow were to shrink to half of its size (but kept the same mass), what would happen to our weight (think universal law of gravity)
- AIt would double
- BIt would be cut in half
- CIt would quadruple
- DIt would be 1/4 the original
19Centripetal acceleration acts _____________________.
- ATangent to the circular path.
- BAway from the center
- CTo the center
- DAlong the path of the object in motion
20Linear speed of a rotating object acts____________________.
- ATo the center of motion.
- BAway from the center of motion
- CTangential to the circular path
- DAlong the circular path
Informationen
- Beschreibung
- A short review that covers kinematics, forces, work, energy, momentum, and circular motion.
- Autor
- Gelöschter Nutzer
- Sprache
- English
- Aufrufe
- 47
- Verlauf
- Erstellt am 25 Jan 2019 · aktualisiert am 25 Jan 2019
- Schlagwörter