1. Which pair of quantities does not contain a vector and a scalar?

2. A wire of length 80 cm has a force F applied. The new length of the wire is 84 cm. The strain is given by

3. Which of the following is a derived SI quantity?

4. A projectile is launched at an angle of 45° to the horizontal.
Ignoring air resistance, which pair of graphs correctly shows how the vertical and
horizontal components of velocity vary with time for the projectile until it lands?

5.

6. A ball of volume V_{b} and density ρ_{b} is released in a volume V_{l} of liquid with density ρ_{l}. The upthrust on the ball is given by

7.

8. Which of the following descriptions of a material implies that it undergoes significant
plastic deformation?

9. A trolley rolls down a slope from rest. The trolley moves through a vertical height h
while rolling a distance s along the slope. The maximum possible speed is given by