Force and Motion Review

What two measurements are necessary for calculating speed?

• Mass and time
• Temperature and mass
• Mass and distance
• Distance and time

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s
• 15 m/s
• 0.067 m/s
• 15 mph

An old lady rolls down a hill at 3 meters/second. The hill is 36 meters long. How many seconds does it take the old lady to reach the bottom of the hill?

• 39 seconds

• 12 seconds

• 15 seconds

• 33 seconds

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

65mi/hr South is an example of...

• Speed
• Velocity
• Acceleration
• Direction

Which is a velocity?

• 5m/s

• 8m/s/s

• 12m/s N

• 15m/s

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

• Balanced

• Magnetic

• Spring

• Unbalanced

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

• 1st law of motion

• 2nd law of motion

• 3rd law of motion

• 13th law of motion