Newton
Force
Speed
Gravity
Potpurri
100
Newton's first law of motion says (in part) that an object will remain at rest if no _____________ forces are acting on it.
What is unbalanced?
100
The standard unit of force in the metric system is the _________.
What is a Newton?
100
65 mph is an example of a/an__________.
What is speed?
100
The force of gravity between Earth and a baseball is _________ the force of gravity between Earth and a watermelon.
What is less than?
100
The ____________ of an object is its location at a particular time.
What is position?
200
According to Newton's first law, if an object is slowing down, what must be happening?
What is unbalanced forces are acting on it?
200
A push or a pull is a _______________.
What is a force
200
If an object changes direction, what must change?
What is it's velocity?
200
The attraction between ALL objects is called ________force.
What is gravitational?
200
Which of Newton's laws of motion is the "action-reaction" law?
What is third?
300
f=mxa is the same as Newton's _____________ law.
What is second?
300
What type of force is drag?
What is a frictional force?
300
speed = distance/______
What is time?
300
What type of force is gravity?
What is attractive?
300
When an object travels a large distance in a small amount of time, the object's speed is ________.
What is fast?
400
The more you stretch a rubber band, the more you can feel it pulling back on your fingers. Which of Newton's laws BEST explains WHY?
What is third?
400
The sum of all the forces acting on an object is called the ________ force.
What is net?
400
A dog runs 27 m in 3 s. What is the dog's average speed?
What is 9 m/s?
400
When the distance between two objects increases, the gravitational force between them ______________.
What is decreases?
400
The variable time is represented by the letter ___________.
What is t?
500
Which of Newton's laws of motion explains WHY a book can just sit motionless on a shelf?
What is first?
500
A box is placed on a table. If an upward pulling force on the box is slightly less than the weight of the box, what will happen to the box?
What is it will stay on the table?
500
A bat flew 90 kilometers in one evening, returning to its cave after 3 hours. What was the bat's average speed?
What is 30 km/h
500
The force of gravity between Earth and a baseball is _________ the force of gravity between Earth and a watermelon.
What is less than?
500
What is the correct formula for momentum?
What is p=m x v?