Forces as Vectors End of topic quiz

Which statement is true about a moving object?
When an object is ....

• ...accelerating, the resultant force acting on it must be zero
• ... moving at a steady speed, the air resistance acting on it must equal zero
• ... moving at a steady speed, the resultant force acting on it must equal zero
• ... moving, there must be a resultant force acting on it.

Tags

NGSS.HS-PS2-1

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

• 104N
• 60N
• -104N
• 95N

Tags

NGSS.HS-PS2-1

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

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

• 104N
• -60N
• 60N
• 95N

Tags

NGSS.HS-PS2-1

Physical quantities are either scalars or vectors.

Select the row of the table which correctly identifies a scalar quantity and a vector quantity.

• A

• B

• C

• D

What is the attraction between two objects because of their mass?

• Friction

• Gravity

• Upthrust

• Weight

The unit of force is...

• m/s

• m

• N

• kg

What is the resultant force?

• 400 N, Up

• 400 N, Down

• 800 N, Up

• 800 N, Down

Tags

NGSS.MS-PS2-2

If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?

• 20m
• 40m
• 0m
• -20m

VELOCITY

• Scalar

• Vector