10 Multiple Choice Questions on Acceleration

1) What is the definition of acceleration in physics?

A) The speed of an object

B) The change in an object's position

C) The rate of change of velocity

D) The distance traveled by an object

2) What unit is acceleration commonly measured in?

A) m/s

B) m/s²

C) km/h

D) kg/m

3) Which type of acceleration involves a steady change in velocity?

A) Constant acceleration

B) Variable acceleration

C) Centripetal acceleration

D) Random acceleration

4) In free-fall motion on Earth, what approximate value does acceleration due to gravity have?

A) 5.8 m/s²

B) 9.8 m/s²

C) 3.7 m/s²

D) 12.5 m/s²

5) What does an accelerometer measure?

A) Speed

B) Velocity

C) Temperature

D) Acceleration

6) Which type of acceleration is experienced in circular motion?

A) Constant acceleration

B) Variable acceleration

C) Centripetal acceleration

D) Deceleration

7) When a car slows down, what type of acceleration occurs?

A) Positive acceleration

B) Negative acceleration

C) Centripetal acceleration

D) Zero acceleration

8) Which equation is used to calculate acceleration?

A) a = v × t

B) a = v / t

C) a = Δv / Δt

D) a = v² / r

9) How does acceleration relate to velocity and time?

A) It is the distance covered over time

B) It is the rate of distance over time

C) It is the rate of velocity change over time

D) It is the inverse of velocity

10) Which device in vehicles can detect sudden deceleration and trigger airbags?

A) Gyroscope

B) Thermometer

C) Accelerometer

D) Barometer