What can you say about the speed of a body in uniform motion?
Its speed is zero.
Its speed keeps increasing.
Its speed is constant.
Its speed keeps decreasing.
A body in uniform motion covers equal distances in equal intervals of time. Hence, its speed is constant.
Consider a particle moving with constant speed such that its acceleration is constant and always perpendicular to its velocity. What can you say about its motion?
What can be the effects of force?
1. It can increase the speed of a moving body.
2. It can change the shape of an object.
3. It can decrease the speed of a moving body.
4. It can bring a moving body to rest.