4A block of mass 1.5 kg is at rest on a rough surface which is inclined at20° to the horizontal as shown.20°Figure 4.30Draw a free-body diagram showing the three forces acting onthe block.aCalculate the component of the weight that acts downthe slope.b Use your answer to part b to determine the force of friction thatacts on the block.dIf the angle of t1

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4 A block of mass 1.5 kg is at rest on a rough surface which is inclined at 20° to the horizontal as shown. 20° Figure 4.30 Draw a free-body diagram showing the three forces acting on the block. Calculate the component of the weight that acts down the slope.

4 A block of mass 1.5 kg is at rest on a rough surface which is inclined at 20° to the horizontal as shown. 20° Figure 4.30 Draw a free-body diagram showing the three forces acting on the block. Calculate the component of the weight that acts down the slope.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 38P: A 20.O-g ball hangs from the roof of a freight car by a string. When the freight car begins to move,...

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4
A block of mass 1.5 kg is at rest on a rough surface which is inclined at
20° to the horizontal as shown.
20°
Figure 4.30
Draw a free-body diagram showing the three forces acting on
the block.
a
Calculate the component of the weight that acts down
the slope.
b

Use your answer to part b to determine the force of friction that
acts on the block.
d
If the angle of t1

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