Day 5 Balanced And Unbalanced Forces Question Preview (ID: 61432)


TEK 8.6A. TEACHERS: click here for quick copy question ID numbers.

balance force
a) net force is less than zero - moving toward home
b) net force is greater than zero - forward motion
c) net force is always equal to zero
d) moving with intent

causes no change in speed or motion of an object
a) balanced force
b) unbalanced force
c) acceleration
d) deceleration

balanced force creates
a) increasing upward motion
b) increasing downward motion
c) a change in motion
d) constant motion

friction
a) forces going in same direction
b) a resistant or opposing force
c) compatible forces
d) sharing a force

balanced force
a) a school bus circling the school to find the gym to drop off athletes
b) a school bus traveling at a constant speed of 60m/h on the freeway
c) a school bus slowing down in traffic
d) a school bus moving forward once the traffic light turned green

Suppose an unbalanced force acts on an object. An unbalanced force can change
a) both the speed and direction of a moving object
b) the speed but never the direction of a moving object
c) the direction but never the speed of a moving object
d) neith the speed nor the direction of a moving object

constant speed
a) can occur with comparison forces
b) can occur with unbalanced forces
c) can occur with balanced forces
d) can occur with unequal forces

unbalanced force creates
a) no motion
b) constant motion
c) motion
d) terminal motion

net force
a) force of strength
b) action reaction force
c) force of compatiblity
d) total combination of forces acting on an object

speed up, slow down, or change direction
a) constant speed
b) velocity
c) speed
d) acceleration

force
a) resistant to change in motion
b) a push or pull on an object with mass
c) object in motion
d) action reaction motion

measures the amount of matter in an object
a) mass
b) velocity
c) acceleration
d) force

to find net force of an object going in opposite directions
a) (find difference) subtract
b) (sum) add
c)
d)

An object at rest will remain at rest unless acted on by an unbalanced force.. An object in motion continues in motion unless acted on by an unbalanced force.
a) Unbalanced force
b) Newton's 1st law
c) Balanced force
d) Frictional force

8 Newtons to the left and 4 Newtons to the right. Find the net force. Is this balanced?
a) 12 N Right No
b) 12 N Right Yes
c) 4 N Left No
d) 4 N Left Yes

If 50 newtons of applied force are pushing to the right and 35 newtons of fricitonal force is resisting the motion. What is the netforce?
a) zero
b) 15 N to the right
c) 15 N to the left
d) 85 N to the right

If a person is pushing a heavy box with 10N force and a friend comes up and pushes from the same direction with 12N force, how much force is applied to move the box?
a) 12N
b) 10N
c) 2N
d) 22N

Inertia
a) The tendency for an object to resist a change in its motion
b) The tendency for an object to want to change its motion
c) The ability for an object to change its speed
d) The change in motion

Which of the following has the most inertia?
a) a golf ball
b) a bowling ball
c) a beach ball
d) a basketball

Newton's first law of inertia example would be
a) ball returns to Earth when thrown up in the air
b) ball rolls faster down a hill
c) ball sits still on the ground
d) ball slows down in the grass

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