30 mph west is an example of _______________________.
Velocity
15
A lamp sitting on a table is demonstrating Newton’s ______ Law?
First Law
15
A rollercoaster heading down a hill is ___________________________.
accelerating
15
Newton’s 3rd Law states that for every action there is an equal and opposite _______________.
reaction
15
A ____________________ is a push or a pull on an object.
force
15
A car traveling at 65 mph is an example of its ________________.
speed
15
A force that causes an object to slow down when it touches another object is _____________.
friction
15
Newton’s _______ says the acceleration of an object depends on its force or applied force and mass.
second law
15
If an object stays still or continues moving at the same speed and in the same direction, it is a ________________ force.
balanced force
15
___________ is a combination of all forces on an object.
net force
15
Which of Newton’s Laws explains a rocket’s movement during launch?
thirds law
15
What will be the effect on the boy in the picture if the driver stops quickly?
He will move forward pressing against the seatbelt.
15
There are two boulders at the top of a hill. Boulder A has a mass of 50 kilograms and Boulder B has a mass of 100 kilograms. Which box has the greater amount of potential energy?
Both boulders have the same amount of potential energy
Boulder B
Boulder A
15
There are two boxes on a bookshelf that have the same mass. Box A is on the top shelf, and Box B is on the bottom shelf. Which box has MORE potential energy?
Box B
Box A
15
How can we change the amount of potential energy something has?
Change the gravity or mass
Change the velocity or height
Change the mass or height
Change the mass or velocity
15
How can we change the amount of kinetic energy something has?