If you exert a force of 12 N to lift a box a distance of 1.46m, how much work do you do?

work of 17.52 J is done

Explanation:

Given that;

Force F = 12 N

distance d = 1.46 m

work W = ?

we know that work done is force F multiple by distance d

so Work W = force F × distance d

we substitute our values

Work done W = 12 × 1.46

W = 17.52 J

Therefore a work of 17.52 J is done

note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.