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A tow truck drags a stalled car along a road. The chain makes an angle of $ 30^\circ $ with the road and the tension in the chain is 1500 N. How much work is done by the truck in pulling the car 1 km?

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Calculus 3

Chapter 12

Vectors and the Geometry of Space

Section 3

The Dot Product

Vectors

Oregon State University

Baylor University

University of Michigan - Ann Arbor

Idaho State University

Lectures

02:56

In mathematics, a vector (from the Latin word "vehere" meaning "to carry") is a geometric entity that has magnitude (or length) and direction. Vectors can be added to other vectors according to vector algebra. Vectors play an important role in physics, engineering, and mathematics.

11:08

In mathematics, a vector (from the Latin word "vehere" which means "to carry") is a geometric object that has a magnitude (or length) and direction. A vector can be thought of as an arrow in Euclidean space, drawn from the origin of the space to a point, and denoted by a letter. The magnitude of the vector is the distance from the origin to the point, and the direction is the angle between the direction of the vector and the axis, measured counterclockwise.

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A tow truck drags a stalle…

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A car is towed using a fo…

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Two tractors tow a barge t…

01:39

A wagon is pulled horizont…

01:34

Computing Work $\quad$ A w…

00:58

Work A wagon is pulled hor…

14:08

Using a cable with a tensi…

01:23

A $3000-\mathrm{kg}$ truck…

06:27

A tow truck pulls a car 5.…

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