a What are the dynamic and maximum static forces of friction a 2303 N 833 N b Nada c 533 mss accel d 317 mss decel e 418 N right ID: 810592
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Slide1
m
Slide2A 5.00 kg block rests on a level table where there is a static coefficient of friction of 0.470, and a dynamic of 0.170.
a) What are the dynamic and maximum static forces of friction
?
a)
23.03
N,
8.33 N
;
b
) Nada;
c
)
+5.33 m/s/s
accel
;
d
) -3.17
m/s/s
decel
;
e
)
41.8 N right;
f
)
3.58 N right; g) 2.47 N left
Slide3A 5.00 kg block rests on a level table where there is a static coefficient of friction of 0.470, and a dynamic of 0.170.
b
) if it is at rest and you exert a force of 12.0 N sideways on it what happens?
a)
23.03
N,
8.33 N
;
b
) Nada;
c
)
+5.33 m/s/s
accel
;
d
) -3.17
m/s/s
decel
;
e
)
41.8 N right;
f
)
3.58 N right; g) 2.47 N left
Slide4A 5.00 kg block rests on a level table where there is a static coefficient of friction of 0.470, and a dynamic of 0.170.
c
) if it is at rest and you exert a force of 35.0 N to the right on it, what is the acceleration of the block? Is the block accelerating (speeding up) or decelerating (slowing down)?
a)
23.03
N,
8.33 N
;
b
) Nada;
c
)
+5.33 m/s/s
accel
;
d
) -3.17
m/s/s
decel
;
e
)
41.8 N right;
f
)
3.58 N right; g) 2.47 N left
Slide5A 5.00 kg block rests on a level table where there is a static coefficient of friction of 0.470, and a dynamic of 0.170.
d
) If it is sliding to the right and you exert a force of 7.50 N to the left, what is the acceleration of the block? Is the block accelerating (speeding up) or decelerating (slowing down)?
a)
23.03
N,
8.33 N
;
b
) Nada;
c
)
+5.33 m/s/s
accel
;
d
) -3.17
m/s/s
decel
;
e
)
41.8 N right;
f
)
3.58 N right; g) 2.47 N left
Slide6A 5.00 kg block rests on a level table where there is a static coefficient of friction of 0.470, and a dynamic of 0.170.
e) What force is required to make the block slide to the right and accelerate to the right at 6.70 m/s/s
? Is the force to the right or the left?
a)
23.03
N,
8.33 N
;
b
) Nada;
c
)
+5.33 m/s/s
accel
;
d
) -3.17
m/s/s
decel
;
e
)
41.8 N right;
f
)
3.58 N right; g) 2.47 N left
Slide7A 5.00 kg block rests on a level table where there is a static coefficient of friction of 0.470, and a dynamic of 0.170.
f)
If it is sliding to the right, but decelerating at 0.950 m/s/s, what force is acting on the block? Is the force to the right or the left?
a)
23.03
N,
8.33 N
;
b
) Nada;
c
)
+5.33 m/s/s
accel
;
d
) -3.17
m/s/s
decel
;
e
)
41.8 N right;
f
)
3.58 N right; g) 2.47 N left
Slide8A 5.00 kg block rests on a level table where there is a static coefficient of friction of 0.470, and a dynamic of 0.170.
g)
It is sliding to the right at 7.20 m/s and it slides to a halt in a distance of 12.0 m. What other force besides friction is exerted on the block as it slides to a halt?
a)
23.03
N,
8.33 N
;
b
) Nada;
c
)
+5.33 m/s/s
accel
;
d
) -3.17
m/s/s
decel
;
e
)
41.8 N right;
f
)
3.58 N right; g) 2.47 N left