Lecture 11 - Class Activity\ Find the acceleration of the block in each of these cases below. Its mass is

1kg

and acceleration due to gravity is

g=10(m)/(s^(2))

.\ Q1: Block on inclined plane of angle

30\\\\deg

with

\\\\mu _(s)=\\\\mu _(k)=0.1

\ a)

0(m)/(s^(2))

\ c).

5(m)/(s^(2))

\ b)

\ d)

>5(m)/(s^(2))

\

g=10(m)/(s)

\ Q2: Block on inclined plane of angle

30\\\\deg

with

\\\\mu _(s)=\\\\mu _(k)=0.8

\ a)

0(m)/(s^(2))

\ c)

5(m)/(s^(2))

\ b)

\ d)

>5(m)/(s^(2))

\

g=10(m)/(s)

\ Q3: Stone ) on a string spun at constant angular velocity

\\\\Omega =

2ra(d)/(s)

in a circle

(r

)

=

(

2m)

in a horizontal plane. What is the tension in the string?\ a)

0N

\ c)

8N

\ b)

\ d)

>8N

Find the acceleration of the block in each of these cases below. Its mass is 1kg and acceleration due to gravity is g=10m/s2. Q1: Block on inclined plane of angle 30 with s=k=0.1 a) 0m/s2 c). 5m/s2 b) 5m/s2 Q2: Block on inclined plane of angle 30 with s=k=0.8 a) 0m/s2 c) 5m/s2 b) 5m/s2 Q3: Stone (1kg) on a string spun at constant angular velocity = 2rad/s in a circle (r=2m) in a horizontal plane. What is the tension in the string? a) 0N c) 8N b) 8N