Practice Problems
Normal Forces
Directions:
On this worksheet you will be asked to calculate the normal force depending on a variety of situations.
omit
Question 1
What is the normal force acting on a 6-kg mass that is at rest on a horizontal surface?
1.6 N
58.8 N
0.6 N
0 N
omit
Question 2
What is the normal force acting on a 6-kg mass that is sitting on the floor of an elevator which is accelerating upwards at a rate of 5 m/sec
^{2}
?
88.8 N
39.8 N
58.8 N
28.80 N
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Question 3
What is the normal force acting on a 6-kg mass that is sitting on the floor of an elevator which is accelerating downwards at a rate of 2.5 m/sec
^{2}
?
5.88 x 10
^{1}
N
5.2 x 10
^{0}
N
2.48 x 10
^{1}
N
4.38 x 10
^{1}
N
omit
Question 4
What is the normal force acting on a 6-kg mass that is being pulled up a 44º frictionless inclined plane at a constant velocity of 5 m/sec?
4.23 x 10
^{1}
N
4.08 x 10
^{1}
N
2.04 x 10
^{2}
N
5.88 x 10
^{1}
N
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Question 5
What is the normal force acting on a 6-kg mass which is being pulled at a constant velocity of 5 m/sec by a rope having a tension of 27 newtons at an angle of 44º to the horizontal?
39.4 N
77.6 N
58.8 N
40.0 N
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Question 6
What is the normal force acting on a 6-kg mass which is being pushed at a constant velocity of 5 m/sec by a force of 27 newtons along a rigid handle that makes an angle of 44º to the horizontal?
78.2 N
77.6 N
39.4 N
40.0 N
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