Force and Motion 1
This is a push or a pull.
What is a force?
This is a measure of how fast something moves through a distance in a given amount of time.
What is speed?
50m/s What's the units?
m/s (meters/second)
The rate of motion calculated by dividing the distance traveled by the amount of time it takes to travel that distance.
What is average speed?
What is the unit for force?
Newtons (N)
According to this law, if an object is at rest it will stay at rest, if an object is in motion it will stay in motion, until acted upon by an outside force.
What is Newton's first law of Motion.
A force that resists movement
What is friction?
What formula would you used to solve for force?
mass x acceleration
This law states that for every action there is an equal and opposite reaction....
What is Newton's third law of Motion?
What happens if there is no force acting upon an object?
It will continue to move at the same speed in the same direction.
What would happen if you threw a ball in the air in outer space?
It will travel in a straight line forever
This is the speed of an object and its direction of motion.
What is velocity?
A force applied to a wooden board is 10 N. If the force of friction resisting the student's push is 4N, what is the net force acting on the board?
What is 6 Newtons?
What term best describes why people jerk forward when a driver pushes the brakes suddenly?
What is inertia?
50 N right and 60 N left will result in.
10 N left
A change in a moving object's speed or direction is..
What is Acceleration?
The mass of the cart in kilograms...
Force Acceleration
10 0.5
20 1.0
30 1.5
40 2.0
What is 20 kg?
This is the force that pulls things to the center of the earth.
What is gravity?
What is the formula to calculate speed?
What is distance divided by time?
Which toy car had the greatest applied force?
1 : Mass (0.19) Acceleration (2.0)
2 : Mass (0.15) Acceleration (3.0)
3 : Mass (0.25) Acceleration (1.5)
4 : Mass (0.21) Acceleration (2.5)
When an object wants to keep motion or sitting still...
What is Inertia
This is the speed of an object at any given time.
What is the instantaneous speed?
Has the greatest acceleration.
Sedan - Mass (1500) : Force (4500)
Coupe - Mass (1200) : Force (4500)
SUV - Mass (1800) : Force (4500)
Truck - Mass (2000) : Force (4500)
What is the Coupe due to it's small mass?