Forces
Balanced/Unbalanced
Net Force
Newton's 3rd Law
100
Gravity is..
What is an invisible force that pulls objects together and makes things fall and gives an object mass/weight.
100
A car moving at a constant speed.
What is a balanced force.
100
The unit we use to measure net force is
What is Newtons(N).
100
The definition of Newtons 3rd Law is
What is for every actions there is an equal and opposite reaction.
200
a magnet is used to...
What is attract and repel objects.
200
A car stopping at each stop light in town.
What is unbalanced force.
200
car moving west with 10N with the wind moving east with 15N. The net force is
What is 5N east.
200
Maria is leaning against a wall. According to Newton’s third law, which statement is true?
A. Maria is pulling on the wall
B. The wall is pulling Maria backward
C. No forces are at play
D. The wall is pushing on Maria
What is D. The wall is pushing on Maria
300
A book is sliding across a horizontal tabletop. As it slides, slows down. Which of the following statements best explains this situation?
A. There is a balanced force on the book caused by gravity.
B. There is no upward force acting on the book.
C. There is an unbalanced force on the book caused by friction.
D. There are no unbalanced forces acting on the book.
What is C. There is an unbalanced force on the book caused by friction.
300
An upwards force
What is normal force.
300
Louis is pushing a box with 30N to the left and asks Harry for help. He pushes with 20N to the left. The net force is
What is 50 N to the left.
300
Action hitting sign with hand. The rection is
What is sign hitting/pushing hand.
400
A force that will work against motion in every situation is —
A. the normal force
B. weight
C. gravity
D. friction
What is D. Friction
400
Picture A is and Picture B is 
What is balanced and unbalanced.
400
A car is going north with 800N of force while the wind is going south with 650N. The net force is
What is 150N going north.
400
At a volleyball game the server is hitting the ball. The opposite reaction would be.
What is the ball is hitting the hand.
500
Sarah is looking for a way to move her boat across the water without touching it directly. She included paperclips in the boat design so that the magnetic attraction between the paperclip and the magnet would pull the boat along the water's surface. Which statement is NOT an accurate representation of what is happening with Sarah's boat?
A. The attraction between the boat and the magnet pulls the boat toward the magnet.The attraction between the boat and the magnet pulls the boat toward the magnet.
B. As Sarah gets further from the boat with her magnet, the attraction will decrease .As Sarah gets further from the boat with her magnet, the attraction will decrease.
C. The attraction between the boat and the magnet pushes the boat away from the magnet.
D. The more paperclips that are attached to the boat, the stronger the force of attraction to the magnet. The more paperclips that are attached to the boat, the stronger the force of attraction to the magnet.
What is C. The attraction between the boat and the magnet pushes the boat away from the magnet.
500
Two people jumping up and down is considered, while two people sitting on a bench is considered
What is unbalanced and balanced.
500
Friends are playing tug of war. Ryan's team is pulling 365N of force is going to the right while Jake's 287N of force is going to the left. What team won with how much net force.
What is Ryan's team with 78N going right.
500
Ricky pushes on a bush with his hands. Circle the letters of TWO statements about the acting forces that are correct.
A. The bush does not exert any force on Ricky.
B. The ground exerts an upward force against the bush.
C. Ricky exerts more force on the bush than the bush exerts on Ricky
D. The forces exerted by the Ricky and the bush are exerted in the same direction.
E. Any object that touches the bush in the same way as Ricky's hands will exert force on the Bush.
What is B. The ground exerts an upward force against the bush. E. Any object that touches the bush in the same way as Ricky's hands will exert force on the Bush.