When you pull on a window shade, you exert a(n) _____.
A(n) _____ can be used to represent the direction and strength of a force.
The strength of a force is measured in _____.
The net force determines how and if an object will _____.
When two forces act in opposite directions, the object will accelerate in the same direction as the _____ force.
A force is described by its _____ and by the direction in which it acts.
The law of universal _____ states that the force of gravity acts between all objects in the universe that have mass.
As distance increases, gravitational force _____.
When you stand on a bathroom scale, it displays the ____ force that Earth is exerting on you.
Friction acts in a direction _____ to the direction of the object's motion.
When the irregularities of one surface come into contact with those of another surface, _____ occurs.
The applied force required to push something across a surface ____ as friction increases.
Newton's first law of motion states that an object will not experience a change in motion unless acted upon by a(n) balanced force.
To increase acceleration of an object, you reduce its mass or increase the applied force.
Newton's third law of motion states that if one object exerts a force on another object, then the second object exerts a force of equal strength in the same direction
Resistance to change in motion is called statis.
Action and reaction forces acting in opposite directions do cancel out because they act on different objects.
If you lean against a wall, the wall pushes back on you with a(n) weaker force.
Which of the following, moving at the same speed, would be hardest to stop?
Which moving object, in all likelihood, will have the greatest momentum?
Which formula is used to calculate momentum?
In which situation does the law of conservation of momentum apply?
The state that exists when the only force acting on an object is gravity is called...
The acceleration due to gravity near the surface of Earth is equal to...
Satellites in orbit around Earth travel in an almost circular path because Earth is...
The word centripetal means...
Force = 65 kg X 3 m/s2 =
A 250 kg trailer is being pulled by a truck. The force causes the trailer to accelerate at 4 m/s2. What is the net force that causes this acceleration?
Momentum = 5 kg X 6.5 m/s = (no unit necessary)
A 0.14 kg baseball travels at 7 m/s. What is it's momentum? (no unit necessary)