Intro to Forces + Newton's Laws Video Lessons

Video Thumbnail

Concept

Problem: 1. An object cannot remain at rest unless which of the following holds?a. The net force acting on it is zero.b. The net force acting on it is constant and nonzero.c. There are no forces at all acting on it.d. There is only one force acting on it.which one is the answer? there can be more than one answer....2. If a block is moving to the left at a constant velocity, what can one conclude?a. There is exactly one force applied to the block.b. The net force applied to the block is directed to the left.c. The net force applied to the block is zero.d. There must be no forces at all applied to the block.which one is the answer? there can be more than one answer.....

FREE Expert Solution

1.

From Newton's first law of motion, an object remains in its state of rest or in uniform motion unless it is acted upon by an external force.

Therefore, the object is at rest when the net force acting on it is zero. 

81% (287 ratings)
View Complete Written Solution
Problem Details

1. An object cannot remain at rest unless which of the following holds?

a. The net force acting on it is zero.
b. The net force acting on it is constant and nonzero.
c. There are no forces at all acting on it.
d. There is only one force acting on it.

which one is the answer? there can be more than one answer....

2. If a block is moving to the left at a constant velocity, what can one conclude?

a. There is exactly one force applied to the block.
b. The net force applied to the block is directed to the left.
c. The net force applied to the block is zero.
d. There must be no forces at all applied to the block.

which one is the answer? there can be more than one answer.....

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Forces + Newton's Laws concept. You can view video lessons to learn Intro to Forces + Newton's Laws. Or if you need more Intro to Forces + Newton's Laws practice, you can also practice Intro to Forces + Newton's Laws practice problems.