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100
A mug resting on a table has this net force acting on it.
What is 0 Newtons?
100
The Earth is orbiting the Sun. Name two reference points from which the Earth seems to be at rest.
What are this building, a tree, a plant, a person standing, a desk, etc.?
100
This is a contact force in which two surfaces rub against one another.
What is friction?
100
If a hippopotamus travels 24 meters in 3 seconds, this is its speed.
What is 8 meters per second?
100
This is the average speed of the object between 0 seconds and 5 seconds.
What is 0.8 meters per second?
200
A toy is being pulled by two children. One child is pulling the toy to the right with a force of 1 N, while another child is pulling to the left with a force of 2 N. This is the direction and strength of the net force on the toy.
What is 1 Newton to the left?
200
This building is attached to the ground. Name two reference points from which this building would be considered in motion.
What are the sun, the moon, a flying bird, a person walking, a car driving, etc.?
200
This is the SI unit to represent the strength of a force.
What is a Newton?
200
A dragonfly flies 3 meters in 1 second, 12 meters in 3 seconds, then 8 meters in 2 seconds. This is the average speed of the dragonfly during this time period.
What is 3.83 m/s?
200
This is what the object is doing between 5 and 15 seconds.
What is staying still?
300
A baseball is dropped from the roof of a building. There is a gravitational force of 2 Newtons pulling the ball to Earth, but there is an upward frictional force between the ball and the air of 0.5 Newtons. This is the strength and direction of the net force on the ball.
What is 1.5 Newtons downward?
300
An object is in motion if this force is not zero.
What is the net force?
300
This type of force includes gravity, electricity, and magnetism.
What is a non-contact force?
300
A person walks backward 10 meters in a straight line in 5 seconds. This is their velocity during this time period.
What is -2 meters per second?
300
This is what this object is doing between 15 and 30 seconds.
What is moving backward?
400
In a game of tug of war, there are 3 people per team. Team 1 is pulling with forces of 20 N, 40 N, and 35 N, respectively. Team 2 is pulling with forces of 30 N, 25 N, and 35 N, respectively. This team won the game due to pulling with a greater force overall.
What is Team 1?
400
If a person is walking in a straight line, a negative velocity means that the person is doing this.
What is walking backwards?
400
True or false: If an object is dropped from a roof and falls to the ground, the object has both contact and non-contact forces acting on it as it is falling.
What is true?
400
A car is traveling at 20 kilometers per hour. It increases its speed to 40 kilometers per hour over the course of 5 hours. This is the acceleration of the car with the correct units.
What is 4 kilometers per hour squared?
400
This is the average velocity of the object between 15 and 30 seconds.
What is -0.47 meters per second?
500
Two oxen are pulling a cart. One ox is pulling with a force of 30 Newtons, and the other ox is pulling with a force of 35 Newtons. The cart is experiencing friction with the ground with a force of 2 Newtons. This is the strength and direction of the net force on the cart.
What is 63 Newtons forward?
500
This is the change caused by an object speeding up, slowing down, or changing direction.
What is acceleration?
500
A force is described by these two characteristics, which can be represented by an arrow.
What are strength and direction?
500
A gust of wind is blowing at 5 m/s for 10 seconds, 10 m/s for 20 seconds, and 7 m/s for 7 seconds. This is how far the wind travelled over the first 30 seconds.
What is 250 meters?
500
This is the average velocity of the object from 0 to 30 seconds.
What is -0.1 meters per second?