Post on 02-Jan-2016
transcript
Science
Force and Motion
100 100
200 200
400 400
300
400
Choice1 Choice 2 Choice 3 Choice 4
300 300 300
200
400
200
100
500 500 500 500
100
Row 1, Col 1
When you know the speed and direction of an object’s
motion, you know it’s _____?
Velocity
1,2
The formula for speed is: Speed = distance/_____?
Time
1,3
Dividing the total distance traveled by the total time gives you the
____________?(You drive 100 miles in 2 hours)
Average Speed
1,4
The rate at which velocitychanges is ___________?
Acceleration
2,2
A roller coaster acceleratesfrom a speed of 3 m/s to
23 m/s in 5 seconds.(Final speed – initial speed / time)
4 m/s squared
2,3
When a motorcycle slows down,it is called ______________?
Deceleration
2,4
__? = Final Speed-Initial Speed _________________
Time
Acceleration
3,1
An airplane touches down at 60 m/s and decelerates to
30 m/s in 3 seconds.(final speed – initial speed / time)
10 m/s squared
3,2
The distance from California toChicago is 2,140 miles. It took 50Hours. What was the average
speed? (speed=distance/time)
42.8 m/h
3,3
You ride your skate board for 6 miles and it takes you 2 hours.
What is your average speed?(Speed=distance/time)
3 m/h
3,4
What is the velocity of a hurricane that covers 80 km in 4
hours and is traveling northwest?
(velocity=distance/time)
20 km/h northwest
4,1
What is the velocity of a tornado that covers 150 km in 3
hours and is traveling east?
(velocity=distance/time)
50 km/h east
4,2
You take the train and travel 1,200 km in 30 hours. What is
Your average speed?(Speed=distance/time?
40 km/h
4,3
Do you add or subtract forceswhen two people are pushing
a chair in the same direction ?
add
4,4
Do you add or subtract to find the net force in the example?
30N 25 N
Add 55N
5,1
Do you add or subtract to find the net force in the example?
15N5N
Subtract 10N
5,2
When two objects rub Against each other they
create ___________?
friction
5,3
Speeding up, slowing down, or changing direction is _____?
Acceleration
5,4
The measure of the force of gravity on an object is
called ________?
Weight