SMDEP Physics UCM, Rel. Motion, and Newton’s Laws.

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Presentation transcript:

SMDEP Physics UCM, Rel. Motion, and Newton’s Laws

Ch.4, #9 what is the magnitude of the force? X 10 5 N X 10 5 N X 10 5 N X 10 5 N 5.Other 6.Didn’t finish

Ch.4, #23 what is the magnitude of the force? N N N N 5.Other 6.Didn’t finish

Ch.4, #24 what is your answer to parts (a) and (b)? (just magnitudes) m/s and 2106 N m/s and 2106 N m/s and 1109 N m/s and 1109 N 5.Other 6.Didn’t finish

Survey: Which team do you want to win the world cup? (of the teams remaining) 1.Brazil 2.Austrailia 3.Germany 4.England 5.Ghana 6.Other 7.Don’t care

A car travels along a flat, circular track. Its velocity vector always points: 1.Toward the center of the circular path. 2.In a direction tangential to the circular path. 3.Outward 4.None of the above.

A car travels along a flat, circular track. Its acceleration vector always points: 1.Toward the center of the circular path. 2.In a direction tangential to the circular path. 3.Outward 4.None of the above.

A car travels along a flat, circular track. As it increases its speed, its acceleration points: 1.Toward the center of the circular path. 2.In a direction tangential to the circular path. 3.Outward 4.None of the above.