Topic 5 - Forces
Cards (229)
- What two properties does a vector have?
- What property does a scalar have?
- Can scalars be negative?
- Why can vectors be negative?
- Which of the following is a scalar quantity?
- Which of the following is a vector quantity?
- Which of the following is a scalar quantity?
- Which of the following is a vector quantity?
- Which of the following is a scalar quantity?
- Which of the following is a vector quantity?
- Which of the following is a vector quantity?
- Which of the following is a scalar quantity?
- Which of the following is a vector quantity?
- Which of the following is a scalar quantity?
- When a ball is thrown off a cliff, when is displacement zero?
- For a ball thrown off a cliff, when does it have positive displacement?
- For a ball thrown off a cliff, when does it have negative displacement?
- In long answer questions about vectors, what decision might you make?
- If an object is thrown at 10 m/s, what is its speed?
- If an object is thrown at 10 m/s at 30° above the horizontal, what is it's velocity?
- If a car is travelling round a roundabout at constant speed, is it accelerating?
- When is speed the same as velocity?
- Why is a car accelerating when travelling at constant speed round a roundabout?
- What is a force?
- How are vectors represented by arrows?
- What causes a force?
- What are the two types of forces between objects?
- What causes electrostatic force?
- What does electrostatic force cause?
- What are the non-contact forces?
- What causes gravitational attraction?
- What does mass create?
- What are the contact forces?
- What direction is normal contact force felt?
- How does the force of normal contact relate to the plane of contact?
- What causes friction?
- When does friction occur?
- What property does all matter have?
- What does all matter do to other matter?
- How does mass relate to gravitational field?