Question

1. are any of the forces acting on the freezer unbalanced?

if so, which ones?

1. describe the motion of the freezer.
2. is this a balanced or unbalanced force? why?

image of 10n right and 5n left forces

1. is this a balanced or unbalanced force? why?

image of 5n right and 5n left forces

1. explain the type of motion that will occur based on the amount of force.

a. does it move: yes no
b. which direction does it move: right left no direction
c. why?

1. explain the type of motion that will occur based on the amount of force.

a. does it move: yes no
b. which direction does it move: right left no direction
c. why?

1. explain the type of motion that will occur based on the amount of force.

a. does it move: yes no
b. which direction does it move: right left no direction
c. why?

Explanation:

Step1: Analyze freezer's vertical forces

The upward normal force $N$ equals the downward weight $W$; horizontal forces: assume an applied force (right) and friction (left) are unbalanced.

Step2: Answer unbalanced forces question

Yes, horizontal forces (applied force and friction) are unbalanced.

Step3: Describe freezer's motion

The freezer accelerates in the direction of the net horizontal force.

Step4: Analyze 10N/5N force pair

Calculate net force: $F_{net}=10\ \text{N} - 5\ \text{N}=5\ \text{N}$ right. Unbalanced, net force ≠0.

Step5: Analyze 5N/5N force pair

Calculate net force: $F_{net}=5\ \text{N} - 5\ \text{N}=0\ \text{N}$. Balanced, net force =0.

Step6: Motion for 10N/5N forces

a. Yes, it moves. b. Right. c. Net force is 5N right.

Step7: Motion for 5N/5N forces

a. No, it does not move. b. No Direction. c. Net force is 0.

Step8: Motion for freezer's forces

a. Yes, it moves. b. Direction of net horizontal force. c. Unbalanced horizontal net force.

Answer:

1. Yes; the horizontal applied force and frictional force.
2. It accelerates in the direction of the net horizontal force.
3. Unbalanced force; the net force is $5\ \text{N}$ to the right (not zero).
4. Balanced force; the net force is $0\ \text{N}$.
5. a. Yes

b. Right
c. There is a net force of $5\ \text{N}$ acting to the right.

1. a. No

b. No Direction
c. The forces cancel out, so net force is zero.

1. a. Yes

b. Direction of the larger horizontal force
c. The unbalanced horizontal forces produce a non-zero net force.