FORCE, MASS AND ACCELERATION
2 marks · EasyAn electric scooter of mass 12 kg is acted on by a resultant force of 18 N.
Calculate the acceleration of the scooter. Give your answer to 2 decimal places.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
1.50 m/s^2 (±0.01)
Common mistakes: 18 × 12; 12/18; using wrong units
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Correct rearrangement or use of a = F ÷ m or F = m × a.
A1 · 1 mark · Correct numerical answer: 1.50 m/s² (allow 2 dp).
Worked solution
Equation:
Rearrange for acceleration:
Substitute:
Calculate: