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A 40 -kg packing crate is pulled by a rope as shown. The coefficient of static friction between the crate and the floor is $0.35 .$ If $a=$ $40^{\circ},$ determine $(a)$ the magnitude of the force $\mathbf{P}$ required to move the crate, $(b)$ whether the crate will slide or tip.

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Chapter 8

Friction

Applications of Newton’s Laws

Thubelihle T.

June 21, 2021

A tennis ball collides head-on with a more massive baseball. (a) Which ball experiences the greater force of impact? (b) Which experiences the greater acceleration during the impact? (c) Which of Newtons laws are useful to obtain the correct answers?

01:01

A 40 -kg crate is at rest …

06:29

A kg crate is dragged acro…

05:41

A 68 kg crate is dragged a…

03:14

A $68 \mathrm{~kg}$ crate …

05:36

A worker pushes horizontal…

07:13

05:34

01:04

A 10 -kg crate is placed o…

01:58

(I) If the coefficient of …

03:29

A person pushes horizonta…

01:05

The $200-\mathrm{kg}$ crat…

05:40

A worker pushes horizonta…

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