Force And Motion
Force and Motion
Force and Motion
Force and Motion
Motion and Force
100
A 20 kg dog is running 10m/s2 . What is the force?
F=MxA
F=20kg x 10m/s2
F= 200N
100
What is the Law of Inertia?
An object in motion will stay in motion, an object at rest will stay at rest until acted upon by an outside force.
100
What does "N" stand for?
Newtons
100
Which of the following describes an object that is speeding up?
Decelerating In a frictionless environment
Accelerating Moving with constant speed
accelerating
200
What units are used to measure speed?
meters per second
200
If you were to throw a ball in space what would happen according to the Law of Inertia?
It will travel in a straight line indefinitely
200
What does "kg" stand for?
Kilograms.
300
If an object is has the force of 200 N and weighs 20 kg, what is the acceleration of the the object?
10 m/s2
300
According to the experiment we did with the carts,
The higher the cart and the more weight in the cart the _____________ the cart goes.
Faster.
300
What does " m/s2" stand for?
Meters per second squared
300
If no outside force is acting on an object, what will the object do?
Move with the same speed and direction.
300
If an object is moving at 30 m/s2 with the force of 10 N. What is the mass?
.33kg
400
List 5 safety features in a modern car.
Crumple zones,
ABS
Seat belts
Airbags
Good tires
Sensors
400
What is this graph saying?
An object is moving at a constant rate.
500
explain crumple zones
Crumple zones slow down the car and allow for more time and less force to be acted upon the car and people.
500
what one is more stable? Explain in terms of center of mass
Block A.
500
Why are SUV's more prone to rollover accidents?
Because there center of mass is generally higher than other vehicles.