Chapter 7 - Forces Question Preview (ID: 17484)


Forces (Friction, Gravity, Newton's Laws). TEACHERS: click here for quick copy question ID numbers.

What happens when forces act in the same direction on a object?
a) Their strengths are added
b) They cancel each other out
c) They are multiplied
d) The stronger one prevails

_______________ is a measure of the force of gravity
a) mass
b) distance
c) weight
d) inertia

The law of universal gravitation states that any two objects with mass will
a) attract each other
b) repel each other
c) have not effect on each other
d) combine with each other

Forces can only be added if they are
a) acting on the same object
b) balanced forces
c) unaffected by gravity
d) produce friction

According to Newton's 3rd Law of Motion, when a baseball bat strikes and exerts a force on a ball, the ball
a) exerts an equal and opposite force on the bat
b) exerts a greater force on the bat
c) moves at an increasing speed
d) creates friction with the bat

Force is described by its
a) strength and direction
b) direction and velocity
c) inertia
d) mass

_____________ and ______________ affect the gravitational attraction between objects.
a) mass and distance
b) mass and air resistance
c) distance and inertia
d) distance and friction

According to Newton's 2nd Law of Motion, ____________ depends on the object's mass and the net force acting on the object.
a) acceleration
b) friction
c) gravity
d) inertia

________________ depends on the type of surfaces involved and how hard they are pressed together.
a) friction
b) mass
c) gravity
d) inertia

According to Newton's 3rd Law of Motion, the strength of the reaction force is _____________ the strength of the action force.
a) equal to
b) less than
c) greater than
d) weaker than

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 17484 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register