Introduction to Forces

Question 1

What force is represented by the vector?

Revolt · Accepted Answer

gravity

Question 2

A hydraulic jack is used to lift a car in order to change a tire. The car exerts a force of 9,800 N toward the ground due to the force of gravity.

Revolt · Accepted Answer

✔ more than 9,800 N; To begin to lift the car, a hydraulic jack must produce of force.: more than 9,800 N; To keep the car in position once it is lifted, the jack must produce of force.: exactly 9,800 N

Question 3

more than 9,800 Nless than 9,800 N✔ exactly 9,800 N

Revolt · Accepted Answer

✔ exactly 9,800 N

Question 4

What force is represented by vector A?

Revolt · Accepted Answer

✔ normal force; normal force; The puck will move off in a different direction.

Question 5

The puck will continue moving to the right. ✔ The puck will move off in a different direction.The puck will come to a complete stop.

Revolt · Accepted Answer

✔ The puck will move off in a different direction.

Question 6

⇒ 22

Revolt · Accepted Answer

76312

Question 7

Study the force diagram to complete the sentences.

Revolt · Accepted Answer

unbalanced; right

Question 8

Question 76314

Revolt · Accepted Answer

right

Question 9

What force is represented by vector A?

Revolt · Accepted Answer

Gustavo and Beatriz are pushing on a door in opposite directions. If the door does not move, the forces are .: balanced; The net force in this scenario would be .: zero

Question 10

✔ zerodoublehalved

Revolt · Accepted Answer

✔ zero

Introduction to Forces Answers

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