Forces
The force of attraction between any two objects that have mass.
What is gravity?
This tells how fast an object is moving AND the direction it is moving.
What is velocity?
A scientist who came up with three laws of motion.
Who is Sir Isaac Newton?
Newton came up with this many laws of motion.
What is three?
Objects move by being _____________ or ____________.
What is pushed or pulled?
The difference between contact force and non-contact force.
What is the characteristic of contact force involving objects that physically touch and non-contact force involving non-touching objects?
The formula to calculate speed (or rate).
What is distance divided by time?
What is net force?
The second law of motion is also called this.
What is the law of acceleration?
When we launched balloons on string at the beginning of the year, it was an example of Newton's ______ Law of Motion.
What is third?
The definition of friction. "A force between..."
__________________ is how far an object travels during its motion. ____________________ is the distance an object travels from its starting point to its final location.
What are distance and displacement?
Forces in pairs can either be ___________________ or _________________.
What is balanced or unbalanced?
The Third Law of Motion says that for every action there is this.
What is an equal and opposite reaction?
The key difference between mass and weight.
What is weight can change with location, but mass does not?
The two factors that affect the strength of gravity.
What are mass and distance?
What is the formula for calculating momentum?
What is mass x velocity?
This will happen if the force pushing on the right side of the boulder is greater than the force pushing on the left side of the boulder.
What is the boulder will roll to the left?
The formula for Newton's 2nd Law.
What is Force = Mass x Acceleration (F = ma)?
An example of relative motion.
What is "answers will vary"?
The four main types of friction.
What are static, sliding, rolling, and fluid friction?
What are straight-line, circular, and vibrational motion?
The definition of inertia.
What is the tendency of objects to resist change in their motion?
Fill in these blanks for the 1st Law. An object in ____________ stays in ________________ unless acted on by an outside _______________. An object at ____________ stays at _______________ unless acted on by an outside ___________________.
What are motion, motion, force, rest, rest, force?
The formula for calculating velocity.
What is velocity = displacement divided by time?