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horsena [70]
3 years ago
11

What is a force that resist the motion of one force over another​

Physics
2 answers:
BARSIC [14]3 years ago
8 0
Friction is the force that resists the movement
Deffense [45]3 years ago
7 0

Answer:

Friction is a surface force that opposes relative motion.

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To calculate the ideal mechanical advantage of a lever divide the input arm by the output arm. 
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A block is projected up a frictionless inclined plane with initial speed v0 = 1.72 m/s. The angle of incline is θ = 44.8°. (a) H
Snowcat [4.5K]

Explanation:

Given

initial velocity(v_0)=1.72 m/s

\theta =44.8{\circ}

using v^2-u^2=2as

Where v=final velocity (Here v=0)

u=initial velocity(1.72 m/s)

a=acceleration   (gsin\theta )

s=distance traveled

0-(1.72)^2=2(-9.81\times sin(44.8))s

s=0.214 m

(b)time taken to travel 0.214 m

v=u+at

0=1.72-gsin(44.8)\times t

t=\frac{1.72}{9.8\times sin(44.8)}

t=0.249 s

(c)Speed of the block at bottom

v^2-u^2=2as

Here u=0 as it started coming downward

v^2=2\times gsin(44.8)\times 0.214

v=\sqrt{2.985}

v=1.72 m/s

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A marble is placed at Location W. When the marble is released, it rolls down the track.
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Explanation:

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