In which of the following scenarios does object 1 do +10 joules of work on object 2?

a. object 1 exerts a 10 newton force on object 2 in the direction of its 1 meter displacement.
b. object 1 exerts a 1 newton force on object 2 in the direction of its 10 meter displacement.
c. object 1 exerts a 10 newton force at a 60 degree angle relative to its 2 meter displacement.
d. all of the above are true.
e. only two of the above are true.
f. none of the above are true.