OPENERS 3-3 TO 3-7

Physical Science

MONDAY

Bob is pulling a crate at a constant

velocity of 2m/s. He exerts a force of

150N. What is the

force of friction?

TUESDAY

You can throw a ball at 10m/s. How

fast would the ball be going if you

threw it forward from a truck going

30m/s?

WEDNESDAYGive an example of Newton’s third law in action.

THURSDAYWhat velocity would the train

worker see the hobo going at?

FRIDAYWhat is the velocity of the arrow when

it hits the target if the horse is going

20m/s and the bow shoots at 80m/s?