3 37. In the diagram below, surface A of the wooden block has twice the area of surface B. If a force of F newtons is required to keep the block moving at constant speed across the table when it slides on surface A, what force is needed to keep the block moving at constant speed when it slides on surface B? A (1) F (2) 2F (3) - F (4) 4F 512
3 37. In the diagram below, surface A of the wooden block has twice the area of surface B. If a force of F newtons is required to keep the block moving at constant speed across the table when it slides on surface A, what force is needed to keep the block moving at constant speed when it slides on surface B? A (1) F (2) 2F (3) - F (4) 4F 512
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:* 37. In the diagram below, surface A of the wooden block has twice the
area of surface B. If a force of F newtons is required to keep the
block moving at constant speed across the table when it slides on
surface A, what force is needed to keep the block moving at constant
speed when it slides on surface B?
A
(1) F
(2) 2F
(3)
(4) 4F
* 38. A l-kilogram bird stands on a limb. The force that the limb exerts on
the bird is
(1) 1N
(2) 2 N
(3) ON
(4) 9.8 N
* 39. A test booklet is sitting at rest on a desk. Compared to the magni-
tude of the force of the booklet on the desk, the magnitude of the
force of the desk on the booklet is
(1) less
(2) greater
(3) the same
* 40. A 2.00-kilogram mass is at rest on a horizontal surface. The force
exerted by the surface on the mass is approximately
(1) ON
(2) 2.00 N
(3) 9.80 N
(4) 19.6 N
* 41. As masses are added to a box resting on a table, the force exerted by
the table on the box
(1) decreases (2) increases
(3) remains the same
I 42. A baseball bat moving at high velocity strikes a feather. If air resis-
tance is neglected, compared to the force exerted by the bat on the
feather, the force exerted by the feather on the bat will be
(1) smaller
(2) larger
(3) the same
* 43. Which graph best represents the motion of an object on which the
net force is zero?
Time
Time
Time
Time
(1)
(2)
(3)
(4)
55
Distance
Distance
peads
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