Class 9 daily Science worksheet
Identify the relevant law or use F = ma when a net force is given.
Name ________________________Date ______________
Practice questions
- When a swimmer pushes water backwards, what is the reaction force?
- Two opposite forces of 9 N act on the same trolley. Find the net force.
- Why do passengers lean forward when a bus stops suddenly?
- Find the net force that accelerates a 4 kg trolley at 2 m/s².
- An object moves at constant velocity. What is its net force?