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 9-kg mass that is at rest on a horizontal surface?
0.9 N
1.1 N
0 N
88.2 N
omit
Question 2
What is the normal force acting on a 9-kg mass that is sitting on the floor of an elevator which is accelerating upwards at a rate of 11 m/sec
2
?
10.80 N
108.8 N
88.2 N
187.2 N
omit
Question 3
What is the normal force acting on a 9-kg mass that is sitting on the floor of an elevator which is accelerating downwards at a rate of 5.5 m/sec
2
?
8.82 x 10
1
N
5.93 x 10
1
N
3.97 x 10
1
N
3.87 x 10
1
N
omit
Question 4
What is the normal force acting on a 9-kg mass that is being pulled up a 37º frictionless inclined plane at a constant velocity of 11 m/sec?
5.84 x 10
2
N
7.04 x 10
1
N
8.82 x 10
1
N
5.31 x 10
1
N
omit
Question 5
What is the normal force acting on a 9-kg mass which is being pulled at a constant velocity of 11 m/sec by a rope having a tension of 38 newtons at an angle of 37º to the horizontal?
57.9 N
88.2 N
65.3 N
111.1 N
omit
Question 6
What is the normal force acting on a 9-kg mass which is being pushed at a constant velocity of 11 m/sec by a force of 38 newtons along a rigid handle that makes an angle of 37º to the horizontal?
111.1 N
118.5 N
57.9 N
65.3 N
PhysicsLAB
Copyright © 1997-2020
Catharine H. Colwell
All rights reserved.
Application Programmer
Mark Acton