Overview
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The length of time that we recommend members of each team spend on this topic are as follows:
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Alpha – 28 days
Bravo – 22 days
Charlie – 17 days
Delta – 13 days
Echo – 10 days
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Happy learning!
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Learning Objectives
State what a force is
State how force and acceleration are related
Understand that a net force causes acceleration, not movement
Why gravity is considered a force
The difference between an internal and external force
The difference between mass, volume and weight
Why reaction forces are necessary
How to draw and label a free body diagram
How to find the acceleration of an object due to a net force
State the forces on a hanging object
That an elastic string stretches if a tension force is applied
That a vehicle moves due to a tractive force being applied
Why drag forces exist
Why objects fall at different rates due to drag forces
State the facts that affect the size of a drag force
Why friction exists
State the factors that affect the magnitude of friction
How to determine the direction of friction
Describe why some objects will not move when pushed
Describe how the size of a friction force changes as the size of the the parallel forces change
State is meant by the work done by a force
Find the work done by a constant force
Find the work done by a non-constant force
State what is meant by power
Find the power when a constant amount of work is done
Find the power when a constant amount of work is done
Describe what a system is and what its surroundings are
Find the common acceleration of a system and the forces acting within that system
Explain why a system with a moveable pulley does not have a common acceleration
Find the acceleration of the objects within a system that contains a movable pulley
How to decompose vectors on an inclined plane
The benefit of using rotated axes for motion on an inclined plane
Find the acceleration of an object on an inclined plane
Find the common acceleration of a system that is at least partially on an inclined plane
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Keywords
force
Newton
net force
Newton’s laws of motion
internal force
external force
mass
weight
reaction force
free body diagram
tension
elastic
inelastic
Hooke’s Law
elastic constant
tractive force
resistance force
drag force
friction
coefficient of friction
work
Joule
power
Watt
system
surroundings
fixed pulley
common acceleration
movable pulley
inclined plane
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