Perpendicular Vectors

A force of 6.0 newtons north and a force of 8.0 newtons east act concurrently on an object. The magnitude of the resultant of the two forces is

• 1.3 N

• 2.0 N

• 10. N

• 14 N

Tags

NGSS.HS-PS2-1

Which pair of concurrent forces could produce a resultant force having a magnitude of 10. newtons?

• 10. N, 10N

• 10. N, 30.N

• 4.7 N, 4.7 N

• 4.7 N, 50. N

Find the distance a hiker walks if he travels 3.50 km north, and then turns around and walks 3.00 km south.

• 0.50 km

• 1.50 km

• 3.00 km

• 6.50 km

Determine the displacement for a car that travels 25 km east and 25 km north.

• 50 km northeast

• 35 km northeast

• 50 km north

• 35 km east

A person walks first 10 km north and 20 km east, then the resultant vector is

• 22.36km

• 22.46 km

• 22.36

• 20.36 km

In practice A of the figure, What is  the magnitude of the  resultant displacement?

• 5 km 
• 8 km
• 11 km
• 15 km

Tags

CCSS.HSN-VM.B.4C

In practice A of the figure, what is the direction of the resultant displacement?

• 63 degrees, South of East

• 27 degrees, North of West

• 27 degrees, West of North

• 63 degrees, South of West

What is the direction of the displacement if someone walks 10 km east and then 7 km north?

• 35 degrees north of east

• 55 degrees north of east

• 44 degrees north of east

• 46 degrees north of east

An airplane flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the resultant velocity of the plane with respect to the ground.

• 252 m/s

• 222 m/s

• 435 m/s

• 125 m/s

If a car moves 12 miles North, 19 miles East, and 12 miles South, what is its displacement?

• 12 miles

• 19 miles, East

• 31 miles

• 43 miles, East