Net Force and Calculating Speed Review

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

A plane from Waco to Dallas, Texas travels 85 miles. It took the plane 25 minutes to complete the trip. What is the speed?

• 340 mph

• 3.4 mi/min

• 30 mi/min

• 340 m/s

A force is a push or pull measured in what units? 

• Meters per second, squared
• Kilograms 
• Newtons 

You arrive in my class 45 seconds after leaving math which is 90 meters away. How fast did you travel?

• 2 m/s

• 20 m/s

• 2 mph

• 0.5 m/2

When the vectors (arrows) point in the same direction what function do you use? 

• Dividing 
• Multiplying 
• Subtracting 
• Adding 

If an object is not moving the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

What is the net force?

• 65 N left
• 65 N right
• 35 N left
• 35 N right

It takes Serina 0.25 hours to drive to school. Her route is 16 km long. What is Serina’s average speed on her drive to school?

• 64 km/hr

• 64 mph

• 640 mph

• 160 km/hr