Kinetic energy, ke

1 mark · Easy

Which of the following will increase the kinetic energy of a moving skateboard most?

Show answer

Correct option: Doubling the speed of the skateboard

Common mistakes: Choosing doubling the mass

Show mark scheme and worked solution

Marking points

B1 · 1 mark · Selects 'Doubling the speed of the skateboard'.

Worked solution

Kinetic energy is proportional to the square of the speed, so increasing speed has the greatest effect.