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A crate of mass 100 kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is 0.4, and the coefficient of kinetic friction is 0.3. A force F of magnitude 344 N is then applied to the crate, parallel to the floor. Which of the following is true?(A) The crate will accelerate across the floor at 0.5 $\mathrm{m} / \mathrm{s}^{2} .$(B) The static friction force, which is the reaction force to $\mathbf{F}$ as guaranteed by Newton's Third Law, will also have a magnitude of 344 $\mathrm{N}$ .(C) The crate will slide across the floor at a constant speed of 0.5 $\mathrm{m} / \mathrm{s} .$(D) The crate will not move.

Physics 101 Mechanics

Chapter 4

Newton’s Laws

Newton's Laws of Motion

Applying Newton's Laws

University of Michigan - Ann Arbor

University of Sheffield

McMaster University

Lectures

04:16

In mathematics, a proof is…

04:48

In mathematics, algebra is…

01:13

A crate of mass 100 $\math…

03:52

Figure $6-32$ shows three …

08:04

(II) Two crates, of mass 6…

02:27

You must push a crate acro…

05:30

03:15

This question concerns the…

03:51

A man pushing a crate of m…

02:05

A person pushes horizontal…

05:34

A worker pushes horizontal…

05:56

The coefficient of static …

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In mathematics, a proof is a sequence of statements given to explain how a c…

In mathematics, algebra is one of the broad parts of mathematics, together w…

A crate of mass 100 $\mathrm{kg}$ is at rest on a horizontal floor. The coef…

Figure $6-32$ shows three crates being pushed over a concrete floor by a hor…

(II) Two crates, of mass 65 kg and 125 kg, are in contact and at rest on a h…

You must push a crate across a floor to a docking bay. The crate weighs 165 …

(II) Two crates, of mass 65 $\mathrm{kg}$ and 125 $\mathrm{kg}$ , are in con…

This question concerns the motion of a crate being pulled across a horizoota…

A man pushing a crate of mass $m=92.0 \mathrm{~kg}$ at a speed of $v=0.850 \…

A person pushes horizontally with a force of 220 $\mathrm{N}$ on a 55 kg cra…

A worker pushes horizontally on a 35 $\mathrm{kg}$ crate with a force of mag…

The coefficient of static frictionbetween the $3.00 \mathrm{kg}$ crate a…

03:44

A construction worker strikes a nail with a hammer twice with the same initi…

01:36

Under the influence of a force, an object of mass 4 $\mathrm{kg}$ accelerate…

03:35

A rock is dropped off a cliff and strikes the ground with an impact velocity…

02:47

Which of the following statements is FALSE regarding perfectly inelastic col…

01:27

A student pushes a 6 kg box up an inclined plane with a height of 10 m. How …

07:03

Two students each push a 30 kg box across the room. Student A applies a cons…

02:26

A block attached to an ideal spring undergoes simple harmonic motion about i…

02:46

A string, fixed at both ends, has a length of 6 m and supports a standing wa…

07:44

Two spheres (one hollow, one solid) are placed side by side on an inclined p…

02:53

A stone is thrown horizontally with an initial speed of 10 m/s from a bridge…

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