2. Part 2- oPhysics Simulations (i) The figure below, from oPhysics, shows a block being dragged across a rough surface by a tension force T. The figure includes a free-body diagram. The red T, = T cos 0 and T arrows are the horizontal and vertical components of the tension vector, respectively. Prove that T = cos 0 + µ, sin 0 T sin 0 Hamg where T is the tension required to just get the block moving if it starts from rest. ma X: ma= TeostMmg -7= Tcost-Mmg) y ma= Tsinb-my T mg

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T
2. Part 2
oPhysics Simulations
(i) The figure below, from oPhysics, shows a block being dragged across a rough surface by a
tension force T. The figure includes a free-body diagram. The red T, = T cos 0 and T, = T sin 0
arrows are the horizontal and vertical components of the tension vector, respectively. Prove that
where T is the tension required to just get the block moving if it starts from
Hamg
T 3=
cos 0 +µ, sin 0
rest.
ma
x: ma= TcostMng->7= cost-Mmg)
Y: ma= T3int-my
mg
99%
12°C
? &
5 06
17
Transcribed Image Text:T 2. Part 2 oPhysics Simulations (i) The figure below, from oPhysics, shows a block being dragged across a rough surface by a tension force T. The figure includes a free-body diagram. The red T, = T cos 0 and T, = T sin 0 arrows are the horizontal and vertical components of the tension vector, respectively. Prove that where T is the tension required to just get the block moving if it starts from Hamg T 3= cos 0 +µ, sin 0 rest. ma x: ma= TcostMng->7= cost-Mmg) Y: ma= T3int-my mg 99% 12°C ? & 5 06 17
(ii) Once the block starts moving, the tension T will produce an acceleration a1. Prove that
(cos 0+ug sin0
a1 = g us
cos 0 + u, sin 0
99%
12°C
&
Transcribed Image Text:(ii) Once the block starts moving, the tension T will produce an acceleration a1. Prove that (cos 0+ug sin0 a1 = g us cos 0 + u, sin 0 99% 12°C &
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