paper 2
Cards (249)
- What is a force?
- What are the two types of forces?
- What is the relationship between contact forces and electrostatic repulsion?
- What is a normal contact force?
- How can forces be represented?
- What is a resultant force?
- What does the length of a force vector indicate?
- How do you find the resultant force when forces act in opposite directions?
- If two forces of 5 N and 2 N act in opposite directions, what is the resultant force?
- How do you find the resultant force when vectors are at right angles?
- What is the significance of balanced forces?
- What does Newton's first law state?
- What is a scalar quantity?
- What is weight?
- How is weight calculated?
- What is the gravitational field strength on Earth?
- What is the weight of a 1 kg mass on Earth?
- What must be true for forces to be balanced when lifting an object?
- What is the work done when lifting an object?
- What is the equation for gravitational potential energy gained?
- What does Hooke's law state?
- What is the unit for spring constant?
- What does it mean for a material to stretch elastically?
- What is the relationship between force and extension in Hooke's law?
- What happens to the extension of a spring if the force is doubled?
- What is the principle of moments?
- What is the equation for pressure?
- What is the unit for pressure?
- Why does pressure increase with depth in water?
- What is the equation for calculating pressure at a depth?
- What is the density of water?
- What causes gas pressure?
- How can gas pressure be increased?
- What happens to gas particles when temperature increases?
- What happens to atmospheric pressure with altitude?
- How is speed measured?
- What is the difference between speed and velocity?
- How is speed calculated?
- What does the gradient of a distance-time graph represent?
- How do you find the speed from a curved distance-time graph?