Science Force and Motion

Choice1Choice 2Choice 3Choice

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 velocity changes is ___________? Acceleration

2,2 A roller coaster accelerates from 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 to Chicago is 2,140 miles. It took 50 Hours. 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 forces when 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?  15N  5N 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