Accurate or Precise
The true value of Dr. Parker's blood pressure is 120/80. The machine in the doctor's office reads 170/96.
What is not accurate?
The number of significant figures in 0.004310
What is four?
Rob's displacement in the following situation:
Rob strolls east for 500 meters before realizing he dropped his wallet. He sprints 200 meters west before finding it.
What is 300m East?
All of the forces acting on an object.
What is the net force?
Which law? a=F/m
What is Newton's Second Law?
You measure a string three times and get 7.51cm, 7.48cm and 7.50cm.
What is precise?
The number of significant figures in 30200.0
What is six?
Dr. Parker's car is traveling at 31 km/s. She slows to a stop 5 seconds later. What is her acceleration?
What is -6.2 km/s2?
Balanced or unbalanced. The forces keeping the moon in orbit around Earth.
What are unbalanced forces?
Which law? It is easier to push an empty shopping cart than a full one.
What is Newton's First or Second Law (either is okay)?
A banana's length is 10 cm. When you measure it, you get 9.97cm.
What is accurate?
78.2 X 410.4 =
What is 32100?
If Rob walked 5 ft. North, then walked 5 ft. south and it took him 10 seconds, what is his average speed?
What is 1 m/s?
** DAILY DOUBLE! **
Forces that cause a change in velocity.
What are unbalanced forces?
Which law? A ball bounces away when another ball hits it.
What is Newton's Third Law?
Your team recorded the length of Dr. Parker's bench as 2.15m, 2.10m, and 2.09m. The actual length of the bench is 2.12m.
What is both accurate and precise?
40.0 X 10.0 =
What is 4.00x102?
The shape of a velocity vs. time graph when an object is moving at a constant speed in the same direction.
What is a straight line (not on zero)?
The force that opposes (resists) motion.
What is friction?
Which law? A car stops suddenly and skis come flying off the roof rack on the car.
What is Newton's First Law?
The density of copper is 8.96g/cm3. You measure a copper cube in the lab and get the following values for density: 10.0g/cm3, 9.9g/cm3, and 10.1g/cm3.
What is precise but not accurate?
** DAILY DOUBLE! **
((4.1 + 3.3569)/7.3) X 91.8 =
What is 94 (modified rules) 92 (traditional rules)?
Rob's average velocity in the following situation:
Rob strolls east for 500 meters at 1 m/s before realizing he dropped his wallet. It takes him 25 seconds to sprint 250 meters back to where he dropped it.
What is 0.5 m/s east?
The forces on a plane flying 11 km above the ground at 930 kph.
What are lift, drag (air resistance), gravity and thrust?
The metric units that make up a Newton.
What is kg*m/s2?