# Particle Travelling with Constant Velocity#

## Question Text#

If a particle travels at constant velocity, which of the following statements must be true?

Select all the choices that apply.

Note: You will be awarded full marks only if you select all the correct choices, and none of the incorrect choices. Choosing incorrect choices as well as not choosing correct choices will result in deductions.

• The particle has no mass.

• The net force on the particle is zero.

• There must be a force acting on the particle.

• The particle has no acceleration.

• The acceleration of the particle is in the same direction as the velocity.