3. consider a locomotive and the rest of a freight train to be a single object. suppose the locomotive is pulling the train up a hill. describe the action and reaction forces that cause the locomotive to move up the hill, such as the reaction force and gravity.

this question has been posted before put the answers were not correct.

Action - Pulling up the train.

Reaction - Friction on the locomotive

Explanation:

Locomotive is pulling the train upwards ,

Which is the action force applied by the locomotive,

As a reaction locomotive will be pulled by the train which is the reaction of pulling

Now, considering it as a action on locomotive , friction force will act on it as a reaction upwards which will result to move it upwards.

For train action is pulling up by locomotive and reaction will be friction acting on it downwards.

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martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000