Untitled Flashcards Set

A pick-up truck is filled with net-bound evergreen trees which are not secured and are, to the point that they are up over the cab of the truck. If the truck, moving at 55 mph, stops abruptly – what will happen to the trees?

What is the formula for speed?

A. What is the formula for velocity?

B. What must also be stated when determining velocity?

C. State the definition of velocity.

State if the following are unbalanced or balanced forces:

____a. dog chasing a cat

____b. child sitting on a swing

____c. a stalk of corn growing upward

____d. an airplane flying from DFW to Philly

____e. a cow lying in the grass

____f. a burger cooking on the grill

When an object moves from its resting position or stops moving, what type of force is exhibited?

What units is speed in?

When calculating an object’s net force, you must state the force produced and what else?

At the DMS track meet, a student ran the 600 track in 844 seconds. What was her speed in m/s?

At the CISD Swim Meet, Paige swam the 200 meter race in 10

seconds. What was her speed?

A. Are the forces of gravity and air friction balanced?

B. What would happen to a falling object because of gravity and air friction?

What is NET FORCE?

5N<----_____________7N-->

What is the net force on the above object?