Newton's Laws
Speed
Motion
Forces
Random
100
How many laws of motion did Newton create?
three
100
How can we tell if an object has moved?
Distance is covered
100
Draw a motion graph of an object moving QUICKLY away from the reference point
a steep line in the positive direction
100
a force is defined as
a push or a pull
100
how do you know if a net force is balanced?
There is a net force of 0N
200
A ball bouncing off a wall is an example of which law?
Newton's 3rd Law
Equal and Opposite reaction
200
What is the formula to calculate speed?
Speed = distance / time
200
Draw a motion graph of an object that is not moving.
A flat line (anywhere on the graph)
200
Name 3 contact forces
push
pull
air resistance
friction
normal force
200
What is the unit of measure for forces?
Newtons - N
300
Which law is this?: A heavy desk takes a lot of force to start moving
Newton's second law
law of acceleration
300
A car is driving a distance of 20 meters in 10 seconds. Please calculate the speed
2 m/s - must have units
300
Draw a motion graph of an object that moves away from the reference point slowly and then moves back to the reference point quickly
a shallow line in the positive direction and a steep negative line
300
Name 3 non contact forces
Gravity
magnetism
electrostatic
300
True or false: a contact force does not have to touch an object to exert its effects
False
400
Which law is this?: you punch a wall and your hand hurts really bad
Newton's 3rd law
equal and opposite
400
A car is driving at a speed of 3 m/s over a distance of 10m. Determine what variable is missing and calculate the answer
3.33 seconds - must include correct units
400
Draw an object that moves slowly away from the reference point and then stops
a shallow line in the positive direction and a flat line
400
What force counteracts gravity?
normal force
400
What is a reference point?
The point that determines if an object has moved or not
The starting point
500
Which law is this?: a table cloth is pulled quickly off a table but all the dishes remain in place
Newton's 1st law
Law of inertia
500
A car is driving at a speed of 5 m/s for 10 seconds. Determine what variable is missing and calculate the answer
50m - must include correct units
500
Draw a motion graph where an object moves quickly away from the reference point, stops, moves slowly away from the reference point, and then quickly back to the reference point
steep positive line, flat line, shallow positive line, steep negative line
500
Double Jeopardy!
Calculate the net force and tell me if its balanced or not
5N of net force - unbalanced
500
What did Newton stick into his eye on purpose?
a needle