Quiz to assess force and motion knowledge, as learned through the "Matter in Motion" lab.
Opposes an object's motion.
Does not exist when surfaces are very smooth.
Decreases with larger mass.
All of the above.
Is usually less than sliding friction.
Makes it difficult to move objects on wheels.
Is usually greater than sliding friction.
Is the same as fluid friction.
Is expressed in newtons.
Can cause an object to speed up, slow down, or change direction.
Is a push or a pull.
All of the above.
Sliding
Rolling
Fluid
Static
5 N south
15 N north
50 N north
5 N north
The Earth's surface.
A building.
A moving object.
All of the above.
Speed.
Acceleration.
Weight.
Force.
80:1
80 km
80 km/h
80 km/h south
Decreased its distance.
Changed its speed.
Accelerated.
Not changed its velocity.
Speed.
Velocity.
Direction.
All of the above.
Acceleration.
Deceleration.
Negative acceleration.
All of the above.
Pushing a door open
Typing on a computer keyboard
Sitting in a chair
None of the above
5 N forward
20 N forward
25 N forward
45 N forward
2 N north
2 N south
12 N north
12 N south
Produce a net force of zero.
Change the direction of a moving object.
Cause an object at rest to start moving.
Produce negative net force.
Sliding friction.
Rolling friction.
Fluid friction.
Static friction.
Wax.
Water.
Sand.
Oil.
Net force.
Friction.
Gas lubricant.
Liquid lubricant.
Speed and direction
Speed and time in motion
Time in motion and direction
Distance traveled and time in motion
Create a balanced force with the other class.
Have a greater force in the direction opposite the other class.
Have a greater force in the same direction as the other class.
Create a net force of zero with the other class.
Friction
A balanced force
An unbalanced force
A gravitational force
Sliding
Rolling
Fluid
Static
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