IBDP Physics A.1a Review questions

Which of the following is a vector quantity?

• Distance

• Speed

• Displacement

• Time

If an object returns to its original position after a trip, what is its displacement?

• 0

• Equal to the distance traveled

• Greater than the distance traveled

• Less than the distance traveled

Which of the following is the SI unit for velocity?

• m/s

• km/h

• m

• s

If the velocity of an object is negative, what does that indicate?

• The object is slowing down

• The object is moving in the opposite direction to the positive direction

• The object is accelerating

• The object’s speed is decreasing

If a car travels 120 m in 10 s, what is its average speed?

• 1.2 m/s

• 12 m/s

• 120 m/s

• 10 m/s

If an object's displacement is nonzero, could its average velocity be zero?

• Yes

• No

To add two vectors graphically, you should...

• Add their magnitudes

• Place the tail of the second vector at the head of the first vector

• Place the head of the second vector at the tail of the first vector

• Average their magnitudes

A person walks 6 m East and then 8 m North. What is the total distance that person has walked?

• 10 m

• 14 m

• 48 m

• 100 m

A person walks 6 m East and then 8 m North. What is the person’s total displacement?

• 10 m northeast

• 14 m northeast

• 48 m northeast

• 100 m northeast

If a person runs around a 400 m track in 50 s and returns to the starting point, what is their average speed?

• 0 m/s

• 8 m/s

• 400 m/s

• It cannot be calculated from the given information