Show the forces acting on an object in a free body diagram. ... this means that the car is travelling at a constant velocity. ... and describe the motion of the car. Show more Show less.

Acceleration and velocity Newton's second law says that when a constant force acts on a massive body, it causes it to accelerate, i.e., to change its velocity, at a constant rate.

Nature - Diagrams of Mean Velocity of Uniform Motion of Water in open Channels, based on the Formula of Ganguillet and Kutter Skip to main content Thank you for visiting nature.com.

Multiple forces act on an object at the same time. Find out more with BBC Bitesize. For students between the ages of 11 and 14.