What are balanced forces?
When all forces on an object cancel each other out or are even in weight.
Speed is _______
distance/time
If 20N of force are pushing to the left and 20N of force are pushing to the right, which way will the box move?
Neither way. It is a balanced or net zero force.
What will happen to the people on a bus if the bus stops suddenly?
They will fly forward.
What is the Netforce acting on the box?
80N left and 160N left
240N to the left
What are unbalanced forces?
when forces make an object change their motion or not of the same weight or strength.
Mrs. Elder went on trip to Seattle with her family. It took Mrs. Elder 2hrs to travel 162miles. What was Mrs. Elders speed?
81miles/hr
If someone is pushing with 50N of force to the right and the other person is pushing with 10N of force to the left, which way will the box go?
To the right, because there is more force pushing that way.
What would happen to a vase of flowers if you rapidly pulled the tablecloth from under them?
They would remain standing.
When two forces acting on an object are going in the same direction (right to right, left to left) you would _________ to find the net force?
add
Is it balanced or unbalanced:
A cake sitting on a table.
balanced
Mr. Dunsmore and Mr. Charbonneau wanted to race to see who was faster. They both ran 3 meters. Mr. Dunsmore finished in 9 seconds Mr. Charbonneau finished in 10 seconds. Who was faster?
Mr. Dunsmore was faster than Mr. Charbonneau.
If Spongebob was pushing a crabby patty to the left and plankton was pushing it to the right, which way would it go and why?
To the left, because Spongebob is bigger and stronger than plankton.
What happens to the speed of a little worm, if it is required to pull a large apple?
It goes slower.
When two objects are going in the opposite direction you would _______ to find the net force.
subtract, minus
Balanced or unbalanced:
5N to the right 10N left
Unbalanced
Mrs. Elder and Mr. Charbonneau want to see who could make it to Spokane, Washington first. They both traveled 198 miles. It took Mr. Charbonneau 2.5 hours to travel to Spokane, and it took Mrs. Elder 3 hrs to travel. If they left at the same time and traveled the same distance who made it to Spokane first?
Mr. Charbonneau
If two people are pushing a box to the right and each person is putting forth 20N of force. Which way will the box move and with how much force will it be moving?
To the right with 40N worth of force.
What happens to the speed of a big worm, if it only has to pull a tiny apple?
It goes faster than the small worm with the big apple.
A book was siting on the table with 40 N from the top and 40 N acting on the bottom. What is the Net force acting on the book?
0N
Mr. G and Mrs. Sanford wanted to have a tug a war with the Kindergarten classes. Mr. G class pulls on the rope at 80N to the left and Mrs. Sanford class pulls on it on 80N to the right. Is it a balanced or unbalanced force?
Balanced
Mr. Dunsmore and Mrs. Elder wanted to take their 8th grade science classes on a fieldtrip to Tacoma, Washington they took a bus and traveled 176 miles in 2.75 hours. How fast was the bus traveling?
64mi/hr
A bowling ball was dropped from a tall building. It has force pulling down with 90N and there is an opposite force pushing up with 70N. Which way is the bowling ball moving and how much net force will it move with?
20N down
What would happen to a bike rider who hit a curb going at a fast speed?
They would fly over the handlebars.
A balloon with air was let go. As it was flying there was 20N to left and 60 N to the right acting on balloon. What is the net force?
40N to the right