1000kg forklift applies a steady force of 5000N to push a 300kg crate 20 meters in 5 seconds.

a) How much work did the forklift do?

b) How much power did the forklift use?

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (