Vectors Test

A 100-newton force acts on point P as shown in the diagram.

The magnitude of the vertical component of this force is approximately

• 30 N

• 50 N

• 71 N

• 87 N

Tags

NGSS.HS-PS2-1

Add (27 m/s, 21 degrees N of W) + (12 m/s, 38 degrees N of E)

*pay attention to sign and direction!

• 37 m/s, 59 degrees W of N

• 23 m/s, 43 degrees W of N

• 23 m/s, 37 degrees N of E

• 37 m/s, 46 degrees N of W

A soccer ball is kicked with a speed of 20 m/s with an initial angle of 15 degrees above the horizontal (x). What are the horizontal and vertical components?

• horizontal = 6.8 m/s, vertical = 12.2 m/s

• horizontal = 19.3 m/s, vertical = 5.2 m/s

• horizontal = 5.2 m/s, vertical = 19.3 m/s

• horizontal = 12.2 m/s, vertical = 6.8 m/s

A vector is a ray with both ________ and _________.

• Direction and Magnitude

• Velocity and Acceleration

• Radicals and Exponents

• Force and Motion

Two perpendicular forces act on an object as shown in the diagram. What is the magnitude of the resultant force on the object?

• 17 N

• 7.0 N

• 13 N

• 5.0 N

Tags

NGSS.HS-PS2-1

A Sci Tech freshman gets lost and wanders North for 3 miles, West for 5 miles, and then East for 7 miles. What is his displacement?

• 3.6 miles

• 2.3 miles

• 13 miles

• 13.6 miles