Question 1

What is 1 g in m/s²?

Accepted Answer

1 g (standard gravity) equals 9.80665 m/s². It is the average gravitational acceleration at the Earth's surface.

Question 2

What is a Gal?

Accepted Answer

A Gal (also called galileo) equals 1 cm/s² (0.01 m/s²). It is used in gravimetry to measure small variations in gravity.

Question 3

What acceleration do everyday objects experience?

Accepted Answer

Gravitational acceleration: 1 g (9.81 m/s²). Braking car: 0.5–1 g. Roller coaster: 3–6 g. Fighter jet turn: up to 9 g. Space shuttle launch: 3 g.

Question 4

What is the relationship between km/h/s and m/s²?

Accepted Answer

1 km/h/s = 1/3.6 m/s² ≈ 0.2778 m/s². A car accelerating from 0 to 100 km/h in 10 seconds has an average acceleration of 10 km/h/s (2.778 m/s²).

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