IB DP Topic 1 Measurements and Uncertainties (SL & HL)

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

Tags

CCSS.HSN.VM.A.1

What is the y component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N

Tags

CCSS.HSN.VM.A.2

What is the x component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N

Tags

CCSS.HSN.VM.A.2

How should you add two vectors?

• Add them head to tail
• Add them tail to tail
• Add them with the addition key
• just add the length of each

When adding vectors graphically, the direction of the resultant vector is obtained by measuring

• the angle with the protractor
• the length of the vector once a scale is determined
• both of the above

What it the combination of two or more vectors called?

• Hypotenuse

• Vector sum

• Vector product

• Resultant

When vectors are parallel but in opposite directions how are they combined?

• Add them

• Subtract them

• Use the Pythagorean theorem

• Take the square root

Tags

CCSS.HSN-VM.B.4C

Which are equivalent vectors?

• u and -u

• u and a

• u and v

• u and b

The SI unit for measuring mass is the
 __?__.

• meter (m)
• liter (L)
• cubic meter (m³)
• kilogram (kg)

Tags

CCSS.3.MD.A.2

The SI unit for temperature is __?__.

• degree fahrenheit  (° F)
• degree celsius  (° C)
• kelvin  (K)
• degree centigrade  (°C)