Explain how force affects the motion of an object

• Explain how force affects the motion of an object.
• Distinguish between contact forces and field forces.
• Define weight and mass.
• Identify action-reaction pairs.
• Explain why action-reaction pairs do not result in equilibrium.
• Explain what an inertial reference frame is.
• Explain the relationship between the motion of an object and the net external force acting on it.
• Determine the net external force on an object.
• Calculate the force required to bring an object into equilibrium.
• Describe the acceleration of an object in terms of its mass and the net external force acting on it.
• Predict the direction and magnitude of the acceleration caused by a known net external force
• Find the direction and magnitude of normal forces.
• Describe air resistance as a form of friction.
• Use coefficients of friction to calculate frictional force.
• Apply Newton's Laws to various dynamics problems

and

• Define work by relating it to force and displacement.
• Identify where work is being performed in a variety of situations.
• Calculate the net work done when many forces are acting on an object.
• Calculate kinetic energy of an object.
• Apply the work–energy theorem to solve problems.
• Classify different types of potential energy.
• Calculate the potential energy associated with an object’s position.
• Calculate the potential energy associated with a stretched or compressed spring.
• Identify situations in which mechanical energy is conserved.
• Recognize the forms that conserved energy can take.
• Solve problems using law of conservation of mechanical energy.
• Calculate the rate at which work is done.