1. A constant net torque is applied to a object. Which one of the following will not be constant?
1. Angular acceleration
2. Angular velocity
3. Moment on inertia
4. Centre of gravity
2. Using a screwdriver, you try to remove a screw from a piece of furniture, but you can't get it to turn. To increase the chances of success, you must use a screwdriver that
1. Is longer
2. Is shorter
3. Has a narrower handle, or
4. Has a wider handle