Formulas: F = ma v = d/t p = mv a = (vf – vi) / t (Don’t forget your units!)
What is the velocity of the object in this
If a car is traveling at 70km/hr, how far
will it travel in half an hour? (Show your work!)
Which has more momentum: A 5 kg soccer
ball moving at 100 m/s or a 20 kg cannon ball moving at 30 m/s? (Show your
If a skier increases speed from 2.0 m/s
to 4.5 m/s in 5 seconds, what is her acceleration? (Show your work!)
Describe what is happening to the car whose
movement is described in the following graphs:
Give an example of unbalanced forces.
Give an example of friction changing the
velocity of an object.
Which of Newton’s Laws is each of the following an example of?
________ It takes more force to throw a shot put than to throw a tennis ball.
________ A cars tires push against the road to propel the car forward.
________ The space probe Voyager II is continuing out of the solar system beyond Pluto.
________ Gravity pulls the skydiver straight
What is the net force necessary to accelerate
a 10 kg bicycle forward at 2.0 m/s2? (Show your work!)
A flower pot falls from a ledge at 9.8
m/s2. If it hits the ground with 10.0 N of force, how much mass was
in the flower pot? (Show your work!)
Give an example of how an object’s weight
could change? (Note: This is not a biology question.)
|Back to the Physical Science index|