Speed Triangle
Vocabulary
Forces
Balanced?
Newton's Laws
100
The distance from my house to school is 10 miles and it takes 5 minutes to get to school. How fast am I going?
2 miles per minute
100
What is velocity?
speed and direction
100
What type of force slows a bowling ball down when you roll it down the lane?
Contact force (hitting the pins)
Friction (lane slows ball down slightly)
100
Balanced or Unbalanced?
What's the net force?
Unbalanced
700N to the R
100
Which law is this?
1st
200
What is the formula to solve for how long - if given distance and speed?
T = d/s
time = distance / speed
200
What is speed?
how fast an object moves from one location to another
200
What type of force does a kid experience when he climbs to high in the tree, falls out and breaks his arm?
gravity (falling)
contact (hitting the ground)
200
Balanced or Unbalanced? What's the net force?
Balanced
Net Force = 0 N
200
When one hand hits the other, the other hand slaps back. What law is this?
3rd law
300
A bird can fly at a speed of 50 miles/hr. If the bird flies for 90 minutes, what distance will it have flown?
d = s x t
50 x 1.5 = 75 miles
300
What is a force?
a push or a pull
300
What force attracts two electrically charged objects toward each other?
magnetism
300
Unbalanced
Net Force = 50 N Left
300
Which law does this illustrate?
2nd law
400
The distance between two cities is 7200 miles, how long will it take a plane that flies at 600mph to travel between the cities?
t = d/s
7200/600
9 hrs
400
What is acceleration?
a change in speed (increase or decrease)
400
What force do race cars try to overcome by making the nose of their car as aerodynamic as possible?
Air resistance
400
Balanced or Unbalanced? What's the net force?
Unbalanced
1020N to the Right
400
Which law is being illustrated by his feet?
3rd law
500
Friday I drove to the zoo and it took 90 minutes at a speed of 60 mph. How many miles did I drive?
d = s x t
d = 1.5 x 60
d = 90 miles
500
What is net force?
the sum of all the forces on an object.
500
I like to rearrange - what force slows the furniture down when I slide them across the floor?
friction
500
Unbalanced
65N Right
500
Which law is this?
2nd law