Normal Force
What is the value of the Normal Force of an object that weighs 75N and is at rest on the floor?
75N
The action-reaction law is also known as Newton's ______ Law of Motion
Third
What is the formula to calculate Fg∥?
Fg∥=Fgsin𝜃
What is the definition of net force?
The resultant force (vector sum of all forces) on an object
Where can the table of Approximate Coefficients of Friction be found in your Reference Tables?
Bottom of page 1
Fill in the blank: Normal Force always acts _________ to the surface
perpendicular
What is the formula used to prove the action-reaction law?
m1a1=m2a2
When forces are balanced Fg⟂ is equal and opposite to
FN
What is the magnitude of the net force of a a chair that weighs 20 N and is at rest
O N
What is the name for the greatest amount of friction an object will experience before it is able to start moving?
Ffsmax or the maximum static friction force
Calculate the value of the Normal Force when A 15kg box sits on the floor and is pulled up with 20 N of Applied Force.
130 N
Fill in the blanks for this sentence: For every action force there is an ______ and ________ reaction force
equal, opposite
Calculate the Normal force of a 50N box being held at rest by a rope on a frictionless hill with an incline of 30 degrees.
43.5N
A 25 N box is accelerated at 2.0 m/s2. Determine the magnitude of the net force
5N
Calculate the coefficient of kinetic friction for the block and floor when a 4.0 kg block is being dragged across the floor by a student who finds that he must exert a force of 14.0 N to keep the block moving at a constant velocity.
.35
Determine the value of the Normal Force when a 15 Kg box is pulled with a 80 of force at 40 degrees.
98.6 N
What is the value of the force being imposed on a baseball bat, after it hits a baseball, weighs 40N and has an acceleration of 5 m/s2?
20N
For an object lying on an inclined plane, what happens to its normal force as the angle of ϴ is increased
Normal force would decrease since Fg⟂=FN
A net force of 100 N acts west on a 5.0 Kg object. Determine the magnitude and direction of the acceleration of the object
20 m/s2, West
A student tries pushing a 6.0 kg wooden box across a wooden floor with a force of 10.0 N, but the box doesn't move. How much force does the student need to apply to get the box to move?
25.2 N
Calculate the acceleration of the elevator when it is going downward and FN is equal to 400 N while the weight is equal to 700N
-4.29m/s2
What is the acceleration of a man whose mass is 75kg and was just hit by 10,000N of force.
133.3333 m/s2
Determine the force of friction of a box as it accelerates down the a 20 degree incline at a rate of 0.67 m/s2
12.385 N
A 1000 kg car accelerates from rest to 20 m/s in 5.0 seconds. What net force acts on the car?
4000N
A student tries pushing a 6.0kg wooden box across a wooden floor with a force of 10.0N, but the box doesn't move. After calculating the applied force needed to get the box to move, determine how much force the student needs to apply to keep the box moving at a constant velocity.
18N