Force and Motion

A push or a pull

• force

• acceleration

• motion

• velocity

Maria is sliding a box across the floor. She feels the box resisting her push. The resistance is called _____.

• friction

• motion

• gravity

• mass

Velocity includes:

• speed

• speed and direction

• direction

• force and speed

An example of sliding friction:

• swimming

• rubbing your hands together

• a couch sitting on a slope

• bowling

If the distance is 30 meters and the time is 5 minutes, what is the velocity?

• 1,200 m

• 1, 500 m/s

• 60 m

• 6 m/min

If it takes 5 seconds to travel 20 feet, what is the average speed?

• 4 seconds

• 4 feet/second

• 4 feet

• 4 meters/second

If the initial velocity is 300 m/s and the final velocity is 250 m/s after 10 seconds, what is the acceleration?

• 5 m/s/s

• 5 m/s

• -5 m/s/s

• -5 m/s

If the speed is 5 miles per hour (mph), how much time would it take to travel 3000 miles?

• 600 miles/hour

• 600 miles

• 600 hours

• 600 miles/hour/hour

It would take ____ force to throw a 3kg basketball than a 1 kg basketball.

• more

• equal

• less

• unknown

A contact force that happens when two objects are rubbing against each other is called what?

• force

• resistance

• friction

• motion