A lorry is travelling around a roundabout at constant speed. Why is its velocity changing?

Because velocity is a vector and therefore has both magnitude and direction. Thus as the lorry is changing direction whilst travelling around the roundabout its velocity is also changing (velocity = displacement / time).

AL
Answered by Adam L. Physics tutor

4463 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

The maximum speed this cyclist can travel on a level road is 14 m/s. How does cycling uphill affect the maximum speed of this cyclist? Explain your answer.


A 950 kg car accelerates from 0 to 33 m/s in 11 seconds. a) Calculate the acceleration of the car b) Calculate the force needed to produce this acceleration c) The car claims a top speed of 110 miles/hr. Explain why there must be a top speed for any car


Explain what led to the plum pudding model of the atom being replaced by the nuclear model of the atom.


If a 30N force is applied to a stationary object of mass 10kg, at what speed will the object accelerate?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences