What is the name given to the force that acts between materials that touch as they move past each other
100
What is another name for Newton's 1st law of motion?
What is inertia
100
What is the universal unit to measure mass?
What is kilograms
100
What is the difference between mass and weight?
What is weight depends on an object's location.
200
True/False: Copernicus stated that the Earth revolved around the sun?
What is True
200
What are the four types of friction?
What is fluid, rolling, static, and sliding
200
Complete the statement: Objects in a state of rest tend to remain at rest: only a _________________ will change that state.
What is force
200
What is the definition of mass?
What is the quantity of matter in an object. The measure of inertia.
200
What are the two types of motion?
What is natural and violent
300
Who argued only when friction is present is force needed to keep an object moving?
What is Galileo
300
What is the formula for friction?
What is µF?
300
Once an object is moving in a force free environment, for how long will it move in a straight line?
What is indefinitely
300
What is the definition of weight?
What is the force of gravity on an object
300
What is another name for violent motion
What is imposed motion
400
Who discovered inertia?
What is Galileo
400
Calculate: The boys were relieved to find that the 2230 newton car was easier to push once it got going. Just how hard did they have to push, assuming the coefficient of friction was 0.54? Round your answer to the nearest whole number
What is 1204.2
400
What will happen when you pull a piece of paper from under a coin at rest on top of a cup?
What is the coin will go straight down due to inertia
400
Calculate the mass of a wolf that weighs 350 Newtons.
What is 35kg
400
One object has twice as much mass as another object. The first object also has twice as much
What is inertia
500
Who developed the three laws of motion?
What is Newton
500
At a weight of 420 newtons the boulder begin to slide. Assuming the coefficient of force was 0.36, how much force was applied? Round to the nearest whole number.
What is 151
500
Why is it important to wear your seat belt according to inertia?
Your body is moving as fast as the car. If you were to crash your body will continue at that same speed. You need the seat belt to keep you in place in the car and to avoid major injuries.
500
How much in Newtons does a 36kg toy car weigh?
What is 360 Newtons
500
Compared to its weight on Earth, a 10-kg object on the moon will weigh