Question | Answer |
Force of attraction between objects. | Gravity |
Anything that is shot or thrown through the air. | projectile |
A push or a pull. | force |
Projectiles follow a ______ path. | curved |
Does mass remain constant everywhere in the universe? | yes |
Unit for force. | Newton |
Forces that are equal is size but opposite in direction are ..... | balanced forces |
Force created by two objects sliding past each other. | Friction |
A 15 newton forces to the right acts on a 10 newton force to the left. Which direction does the object move? | right |
What kind of friction is air resistance? | fluid friction |
Measure of the force of gravity on an object. | weight |
When the only directional force acting on an object is gravity, the object is experiencing.. | freefall |
All objects near the earth's surface _______ at 9.8 m/s/s. | accelerate |
What is the fastest speed a falling object can reach? | terminal velocity |
What is the net force of a 10 N force to the left acting on a 10 N force acting to the right? | zero |
Which law states that an object stays in motion until an unbalanced force acts upon it? | Newton's 1st law |
Which law states that force equals mass x acceleration? | Newton's 2nd law |
Tendency of an object to resist a change in motion. | inertia |
The greater the _____, the greater the inertia. | mass |
Which law states that for every action, there is an equal and opposite reaction force. | Newton's 3rd law |
Gravity is affected by mass and _______. | distance |
The product of mass x velocity is ..... | momentum |
An object that orbits another object is called a(n).... | satellite |
Force that makes an object move in a circular path. | centripetal |