Problem 1 (multiple parts) The Dynamics Squad is at it again with more experiments. Thin disk C weighs Wc = 30 lb, is diameter dc = 3 ft, has radius of gyration of kc = 1.25 ft, and is attached to block A (W₁ = 75 lb) by an inextensible, massless cable passing over a frictionless and massless sheave B. The block is on a surface of slope 0 = 55° and coefficient of kinetic friction M = 0.25. The friction between the disk and surface is sufficient so it will roll without slipping. It is released from rest and begins to move. 0 Determine: a) the acceleration of the block b) the tension in the cable c) what changes if the sheave has mass? (describe how you'd solve this) B A
Problem 1 (multiple parts) The Dynamics Squad is at it again with more experiments. Thin disk C weighs Wc = 30 lb, is diameter dc = 3 ft, has radius of gyration of kc = 1.25 ft, and is attached to block A (W₁ = 75 lb) by an inextensible, massless cable passing over a frictionless and massless sheave B. The block is on a surface of slope 0 = 55° and coefficient of kinetic friction M = 0.25. The friction between the disk and surface is sufficient so it will roll without slipping. It is released from rest and begins to move. 0 Determine: a) the acceleration of the block b) the tension in the cable c) what changes if the sheave has mass? (describe how you'd solve this) B A
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![Problem 1 (multiple parts)
The
Dynamics Squad is at it again with more
experiments. Thin disk C weighs Wc = 30 lb, is
diameter dc = 3 ft, has radius of gyration of kc =
1.25 ft, and is attached to block A (W₁ = 75 lb) by
an inextensible, massless cable passing over a
frictionless and massless sheave B. The block is on
a surface of slope 0 = 55° and coefficient of kinetic
friction M = 0.25. The friction between the disk
and surface is sufficient so it will roll without
slipping. It is released from rest and begins to move.
0
Determine:
a) the acceleration of the block
b) the tension in the cable
c) what changes if the sheave has mass? (describe how you'd solve this)
B
A](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7b1f94a-aeb1-4e21-a353-b14674dcbf02%2F854138dc-480f-4d51-9053-71151f604c77%2F1y2e4sdo_processed.png&w=3840&q=75)
Transcribed Image Text:Problem 1 (multiple parts)
The
Dynamics Squad is at it again with more
experiments. Thin disk C weighs Wc = 30 lb, is
diameter dc = 3 ft, has radius of gyration of kc =
1.25 ft, and is attached to block A (W₁ = 75 lb) by
an inextensible, massless cable passing over a
frictionless and massless sheave B. The block is on
a surface of slope 0 = 55° and coefficient of kinetic
friction M = 0.25. The friction between the disk
and surface is sufficient so it will roll without
slipping. It is released from rest and begins to move.
0
Determine:
a) the acceleration of the block
b) the tension in the cable
c) what changes if the sheave has mass? (describe how you'd solve this)
B
A
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