Checking understanding of forces, motion and pressure

5 questions

Assessing knowledge of key concepts related to forces, motion and pressure in physics.

Questions

1. Which statement correctly represents Newton's second law of motion?
2. An object moving at constant speed in a circular path experiences which type of acceleration?
3. Pressure in a fluid increases with depth because the weight of the fluid above exerts a greater force per unit area.
4. Which unit is used to measure pressure?
5. A 10 kg crate is pushed across a horizontal floor with a constant force of 50 N. If the coefficient of kinetic friction is 0.2, what is the acceleration of the crate?