The bucket with sand would require more force or resistance to any change in motion.

Explanation:

Suppose two buckets are hanging above the ground. One bucket is filled with sand and other is empty. Initially both buckets are at the state of rest. Now if we want to push these buckets into a swinging motion, the bucket with sand would require more force or resistance, because it has more mass or inertia.

The bucket filled with sand

Explanation:

it is heavy and it will be harder for the bucket to be moved