IB IB Physics

Question 1

What is the SI unit of force in IB Physics?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 2

Which equation correctly represents Newton's Second Law of Motion?

Accepted Answer

F = ma

Answer

F = mv

Answer

F = m/a

Answer

F = mv²

Question 3

A ball is thrown horizontally from a cliff. Which quantity remains constant throughout its flight, ignoring air resistance?

Accepted Answer

Horizontal velocity

Answer

Vertical velocity

Answer

Speed

Answer

Kinetic energy

Question 4

What value of gravitational field strength (g) is given in the IB Physics data booklet?

Accepted Answer

9.81 m/s²

Answer

9.0 m/s²

Answer

9.8 m/s²

Answer

10.0 m/s²

Question 5

Which of the following is a vector quantity?

Accepted Answer

Displacement

Answer

Speed

Answer

Mass

Answer

Temperature

Question 6

At the highest point of a projectile's trajectory, what is true about the velocity?

Accepted Answer

Only vertical component is zero

Answer

Total velocity is zero

Answer

Only horizontal component is zero

Answer

Both components are zero

Question 7

What does the area under a velocity–time graph represent?

Accepted Answer

Displacement

Answer

Acceleration

Answer

Force

Answer

Power