Download CP Physics Name Forces HW #1 Use Chapter 4 in your book pages

CP Physics
Name ___________________
Forces HW #1
Use Chapter 4 in your book pages 119 – 144 and your notes to answer the following questions.
1) Forces cause objects to __________________________.
2) What is the difference between contact forces and field forces?
3) Why is force a vector quantity?
4) Draw a free body diagram for an apple hanging from a tree.
5) Draw a free body diagram and calculate the net force on a refrigerator that a person is sliding across the floor if
the person is pushing with a force of 32 N to the right and the force of friction opposing the motion is 12 N.
6) What is the affect of the forces on the refrigerator?
7) The object below is moving at a constant velocity to the right when the following forces are applied. What is the
net force acting on the object?
2 N left
5 N right
3 N left
8) What is the effect of the net force on the object in the above question?
9) Are the forces balance or unbalanced?
CP Physics
Name ___________________
Forces HW #1
10) The object below is moving at constant velocity to the right when the following forces are applied. What is the
net force acting on the object?
2 N left
6 N right
11) Are the forces balance or unbalanced?
12) What is the effect of the net force on the object in the question above?
13) What is the net force on an object in equilibrium?
14) Fill in the table below
Definition
Symbol
The vector sum of all the forces acting on an object.
An applied force on an object like a push or pull.
The force due to gravity on an object. (also know as _____________________)
The resistance to motion that occurs whenever 2 materials or media are in contact.
A tension force transmitted through a string or rope when it is pulled tight.
The normal force (or support force) exerted upward by a surface and is perpendicular to the surface.