# Newton's 1st Law Question Preview (ID: 43721)

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Physics.
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**You are walking a big dog. The dog is pulling on the leash with a force of 25 N forward and you are pulling backwards with a force of 25 N. What will happen to you and the dog?**

a) Move forward

b) Move backward

c) No movement

d) Fall over

**A large television requires a force of 390 N to be lifted. An average person can lift with a force of 50 N - how many average people would it take to move this large television?**

a) 6

b) 7

c) 5

d) 8

**John and Joe are playing tug of war. John has a force of 20 N to the right. Joe has a force of 20 N to the left. What is the net force and who is ho is winning the tug of war**

a) 40 N and John

b) 40 N and Joe

c) 20 N and Joe

d) 0 N and no one

**Mike pushes a box with a force of 30 N to the left, but the box resists with a force of 10 N the other direction. What is the net force and what direction will the book move ine.**

a) 20 N left

b) 40 N no movement

c) 30 N left

d) 40 N no movemtent

**Mr. Crowsha and Ms. Baker are challenging the 8th grade boys to a tug - of - war contest. The teachers pull on the rope with 250 N of force to the west, while the students pull with 280 N to the east. What is the net force and who is winning**

a) 30 N and the students

b) 40 N John

c) 0 N and no one

d) 20 N and no one

**Calculate the net force if Jane pushes a piano across the floor to the right with a force of 25 N and Bob pushes the piano in the same direction with a force of 15 N.**

a) 40 N right

b) 10 N right

c) 10 N left

d) 40 N left

**4 people are playing a tug of war. Two are pulling on the right side with a force of 50 N and 80 N. The two people on the left are pulling with a force of 30 N and 60 N. What is the net force and who wins.**

a) 40 N and the left side

b) 60 N and the left side

c) 40 N and the right side

d) 60 N and the right side

**A brother is pulling a toy from his sister with a force of 6 N. The sister is pulling back with a force of 8 N. Who gets the toy and what is the net force?**

a) Sister and 2 N

b) Brother and 2 N

c) Brother and 10 N

d) Sister and 10 N

**What is the net force on the airplane? The airplane is moving with a force of 800 N. However, is a air resisstance forces moving in opposite directions at 150 N..**

a) 950 g

b) 950 N

c) 650 g

d) 650 N

**A force that two objects exert on each other when their surfaces come in contact; this force can slow or stop a moving object.**

a) Normal force

b) Air resisstance force

c) Tension force

d) Frictional force

**is the force that the ground (or any surface) pushes back up with.**

a) Gravitational force

b) Tension force

c) Normal force

d) Frictional force

**A course along which someone or something moves**

a) Direction

b) Force

c) Speed

d) Motion

**force that is applied to an object by a person or another object**

a) Tension force

b) Applied force

c) Normal force

d) Gravitational force

**A change in an object's position**

a) Force

b) Speed

c) Direction

d) Motion

**Rate of an object’s motion**

a) Speed

b) Force

c) Direction

d) Motion

**when two forces acting on an object are not equal in size.**

a) Normal force

b) Tension force

c) Unbalanced force

d) Balanced force

**A push or a pull on an object**

a) Direction

b) Speed

c) Force

d) Motion

**forces do not cause a change in motion. They are equal in size and opposite in direction.**

a) Unbalanced force

b) Balanced force

c) Normal force

d) Tension force

**An object at rest will remain at rest unless acted on by an unbalanced force.. An object in motion continues in motion unless acted on by an unbalanced force.**

a) Unbalanced force

b) Newton's 1st law

c) Balanced force

d) Frictional force

**Bob and Dan are pushing the couch in the same direction, Bob with a force of 6 N and Dan with a force of 5 N. The couch exerts a force of 8 N in the opposite direction (of Bob and Dan). Does it move?**

a) The couch moves Bob and Dan

b) Dan and Bob move in the couch

c) No movement

d) Dan and Bob fall

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