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Which object is in static equilibrium?
1) a rolling ball that has a net force acting on it
2) a cruising car that has no net force acting on it
3) a book that has no net force acting on it and is sitting on a table
4) a vase that has a net force acting on it and is sitting on a shelf

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25 Oct 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

If an object is moving, which of the following must be true?Chooseall that apply.

1
The object has momentum.The object has PE. The objecthas a constantvelocity. The objecthas a net force acting on it. The objectisaccelerating. The object has KE.

If an object is traveling in a circle, which of the following mustbe TRUE? Choose all that apply.

____ The object has a net force acting on it.
____ The object is slowing down.
____ The object is speeding up.
____ The object has a constant velocity.
____ The object is accelerating.

Part A 

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

The net force acting on it is zero.

The net force acting on it is constant and nonzero.

There are no forces at all acting on it.

There is only one force acting on it.

Part B 

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

There is exactly one force applied to the block.

The net force applied to the block is directed to the left.

The net force applied to the block is zero.

There must be no forces at all applied to the block.

Part C

A block of mass 2kg is acted upon by two forces: 3N (directed to the left) and 4N (directed to the right). What can you say about the block's motion?

 It must be moving to the left.

It must be moving to the right.

It must be at rest.

It could be moving to the left, moving to the right, or be instantaneously at rest.

Part D

A massive block is being pulled along a horizontal frictionless surface by a constant horizontal force. The block must be __________.

continuously changing direction

moving at a constant velocity

moving with a constant nonzero acceleration

moving with continuously increasing acceleration

 

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