Introduction to Forces

Question 1

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 2

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 3

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. To begin to lift the car, a hydraulic jack must produce of force. To keep the car in position once it is lifted, the jack must produce of force.

Revolt · Accepted Answer

more than 9,800 N; Selection 1: more than 9,800 N; Selection 2: exactly 9,800 N

Question 4

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

Revolt · Accepted Answer

exactly 9,800 N

Question 5

What force is represented by vector A? If the hockey puck is moving to the right, what will happen when it is hit with a significant force by the hockey stick?

Revolt · Accepted Answer

normal force; Selection 1: normal force; Selection 2: The puck will move off in a different direction.

Introduction to Forces Answers

More from this Course

TRY EDGENUITY HACKS