Physics - Vectors

the x-component of Vector F is ...

• F sin 30^o

• F cos 30^o

• F cos 60^o

• F sin 60^o

the y-component of Vector F is ...

• F sin 30^o

• F cos 30^o

• F cos 60^o

• F sin 60^o

The _______ of two or more vectors is the sum of the vectors.

• components
• scalar
• resultant
• magnitude

How do you combine vectors if they are at a right angle to each other, and you know two sides?

• Multiply
• Divide
• Pythagorean Theorem
• Use trigonometry

The magnitude of the displacement is

• 62 m
• 25^o
• 62 cos 115

• 62 sin 115

the x-component of the displacement is ...

• 62 m
• 25^o

• 62 cos 115

• 62 sin 115

the direction of this vector is

• North east

• 25^o

• 115 degrees from the horizontal

• 115 degrees from the vertical

To solve for angle a, what function would you use?

• tan^-1

• cos^-1

• sin^-1

• cos

To solve for angle x, what function would you use?

• tan^-1

• cos^-1

• sin^-1

• cos

What is the magnitude of the displacement?

• 500 m at 36.87 degrees

• 500 m

• 250,000 m

• 53.13 degrees