This is the resultant velocity of a man walking 4 m/s east on a train travelling 20 m/s west.
What is 16 m/s west?
100
This is the SI unit for force.
What is the Newton?
100
Newton's First Law states that an object will not do this unless acted upon by a net force.
What is "accelerate"?
200
This type of scientific "guess" should never be based on opinion.
What is a hypothesis?
200
This prefix means "one hundred".
What is "hecto"?
200
This is a non-moving point used to measure motion.
What is a reference point/frame?
200
If an object is in equilibrium, then the sum of the forces acting on the object must be _________.
What is zero?
200
All objects have this property, meaning they resist change in motion
What is inertia?
300
This term for a relationship between two variables does NOT necessarily mean that one caused the other.
What is "correlation"?
300
This type of measurement does not need or include a direction.
What is a scalar?
300
On a P vs. T graph, the velocity of an object can be determined by this.
What is the slope of the line?
300
A large stone being pulled up a hill would experience these two types of friction.
What are kinetic and fluid friction?
300
Even though action and reaction forces are always equal, the accelerations produced will be different if the two objects do not have the same _______.
What is "mass"?
400
The term "precision" refers to how close a group of measurements is to ______________.
What is "each other"?
400
These are the three fundamental units.
What are length, mass, and time?
400
If a car is accelerating but is not speeding up or slowing down, then it must be doing this.
What is "turning"?
400
This type of force can only pull, not push.
What is tension force?
400
According to Newton's Third Law, action and reaction forces do not cancel each other out because ______________________.
What is "they act on different objects"?
500
This term is used to describe a consistent mistake made the same way throughout an experiment.
What is "systematic error"?
500
13 decagrams plus 1,234 centigrams is equal to this many grams.
What is 142.34 grams?
500
Draw a P vs. T graph showing negative velocity and positive acceleration.
(Check graphs)
500
Jan and Martin are playing tug of war with Krishna and Juliet. Jan pulls with 14 N of force, and Martin pulls with 9 N of force. Krishna pulls with 11 N of force. The rope does not accelerate, meaning Juliet is pulling with this much force.
What is 12 N?
500
This is the force required to bring a 1000 kg car to a stop from a velocity of 42 m/s over 6 s.