Unit 1 Physics Spec 1

1. Which one of the following is a correct statement?

2. Which one of the following is an equal unit to the newton?

3. Which one of the is a scalar quantity?

4. Which of the following quantities has the same units as the area beneath an acceleration-time graph?

5. An object is acted on by a vertical force of 25 N and a horizontal force of 34 N. The angle to the horizontal of the resultant force is given by

6. Which of the following statements about the forces in a Newton’s Third Law pair is not correct? The forces

7. A potential difference is applied to a wire. The current in the wire

8. A ball is dropped from a student’s hand and falls to the ground. Which graph correctly shows the variation of kinetic energy E with velocity v for the ball?