The physics teacher told the students to observe carefully what would happen when a (n) _____ acted on the object.

1. A.
   force
2. B.
   energy
3. C.
   power
4. D.
   strength

The physics teacher told the students to observe carefully what would happen when a (n) _____ acted on the object.

A. force  B. energy       C. power D. strength

The physics teacher told the students to observe carefully what would happen when a (n) _____ acted on the object.

 The physics teacher told the students to observe carefully what would happen when a (n) _____ acted on the object.

A. force         B. energy        C. power         D. strength