A soccer ball won't move until it is kicked.
Newton's 1st Law of Motion
What is the formula used to solve for Force?
F = m x a
What unit is used to measure..
Force
N
Solve:
S = 8 m/s
d = 64 m
t =
t = 8 s
Name the type of friction that occurs when...
A bowling ball moves down the lane
Rolling
It takes more force to move a bowling ball than a ping pong ball.
Newton's 2nd Law of Motion
What formula is used in this question..
How much time will it take to run 100 meters at 10 m/s?
t = d / S
What unit is used to measure..
Distance
m
Solve:
F =
m = 9 kg
a = 5 m/s2
F = 45 N
Name the type of friction that occurs when...
You push your desk across the classroom
Sliding
The Law of Action and Reaction
Newton's 3rd Law of Motion
What formula is used in this question..
How fast is a dog running if it takes 18 seconds to move 49 meters?
S = d / t
What unit is used to measure..
Mass
kg
Solve:
How fast is a fish swimming if it takes 20 seconds to travel 200 meters?
S = 10 m/s
Name the type of friction that occurs when...
A butterfly flies through the air
Fluid
Pushing a child on a swing requires less force than pushing an adult.
Newton's 2nd Law of Motion
What formula is used in this question..
A fish is swimming with a force of 12 N at an acceleration of 7 m/s2. What is the mass of the fish?
m = F / a
What unit is used to measure..
Speed
m/s
Solve:
An object accelerates at 9 m/s2 when a 81 N force is applied to it. What is the mass of the object?
m = 9 kg
Name the type of friction that occurs when...
You set your phone on the table
Static
A rocket blasting off.
Newton's 3rd Law of Motion
What formula is used in this question..
A car at a stop sign begins to move. 10 seconds later the car is traveling at 40 m/s. What is the car's acceleration?
a = (Sf - Si) / t
What unit is used to measure..
Acceleration
m/s2
Solve:
A runner starts a race and reaches a speed of 9 m/s in only 3 seconds. What is their acceleration?
a = 3 m/s2
Name the 4 types of friction.
Rolling, Sliding, Static, Fluid