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 4-kg mass that is at rest on a horizontal surface?
0.4 N
2.5 N
39.2 N
0 N
omit
Question 2
What is the normal force acting on a 4-kg mass that is sitting on the floor of an elevator which is accelerating upwards at a rate of 11 m/sec
^{2}
?
53.8 N
83.2 N
39.2 N
4.80 N
omit
Question 3
What is the normal force acting on a 4-kg mass that is sitting on the floor of an elevator which is accelerating downwards at a rate of 5.5 m/sec
^{2}
?
1.72 x 10
^{1}
N
3.18 x 10
^{1}
N
1.22 x 10
^{1}
N
3.92 x 10
^{1}
N
omit
Question 4
What is the normal force acting on a 4-kg mass that is being pulled up a 40º frictionless inclined plane at a constant velocity of 11 m/sec?
2.52 x 10
^{1}
N
2.77 x 10
^{2}
N
3.92 x 10
^{1}
N
3 x 10
^{1}
N
omit
Question 5
What is the normal force acting on a 4-kg mass which is being pulled at a constant velocity of 11 m/sec by a rope having a tension of 31 newtons at an angle of 40º to the horizontal?
19.3 N
39.2 N
15.5 N
59.1 N
omit
Question 6
What is the normal force acting on a 4-kg mass which is being pushed at a constant velocity of 11 m/sec by a force of 31 newtons along a rigid handle that makes an angle of 40º to the horizontal?
15.5 N
62.9 N
59.1 N
19.3 N
PhysicsLAB
Copyright © 1997-2019
Catharine H. Colwell
All rights reserved.
Application Programmer
Mark Acton