Force And Motion Question Preview (ID: 42246)
Force And Motion Review.
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Newtons third law of motion states that if one object exerts a force on another object, then the second object exerts a force of equel strength in the _________ direction.
a) wrong
b) oppisite
c) same
d) right
To increase acceleration of an object, you reduce its _____________ or increase the applied force.
a) inertia
b) speed
c) gravity
d) mass
Newtons first law of motion states that an object will not experience a change in motion unless acted upon by a(n) _______________ force.
a) net
b) unbalanced
c) another
d) balanced
The smaller the mass of an object the ___________ its inertia.
a) less
b) oppisite
c) eaquel
d) more
The applied force required to push something across a surface ________________ as friction increases.
a) decreases
b) increases
c) grows
d) reduces
As distance increases, gravatational force __________________.
a) increases
b) decreases
c)
d)
Friction acts in the _______________ direction of the objects motion.
a) oppisite
b) same
c)
d)
When the irregularities of one surface come into contact with those of another surface ____________________ occurs.
a) force
b) gravity
c) friction
d) motion
A student is investigating the transmission of light through frosted glass. How could she best explain the fuzzy appearance of the image?
a) Light is scattered when it is transmitted through a translucent material.
b) Light is reflected when it strikes an opaque material.
c) Light is absorbed when it strikes a transparent material.
d) Light is transmitted when it strikes a translucent material.
A student looked through a blue filter. Some of the objects in the classroom appeared blue and the other objects appear black. Which of the following best explains why many of the objects in the room appeared black?
a) Since blue filters allow only blue light to pass through, objects that do not reflect or emit blue light will appear black.
b) Since blue filters also allow black light to pass through, objects that reflect or emit black light will appear black.
c) Since blue filters reflect white light, objects will often appear black.
d) Since blue filters absorb white light, objects will often appear black.
A car and a large truck were both traveling down the road at a speed of 80 miles per hour. The drivers of both vehicles decided to turn right very quickly. Which of the following best explains why turning will be more difficult for the truck driv
a) The truck has more inertia which makes it harder to change direction.
b) The truck has more friction which makes it harder to change direction.
c) The truck has more speed which makes it harder to change direction.
d) The truck has more volume which makes it harder to change direction.
A(n)____________________ can be used to represent direction and strength of a force.
a) newton
b) motion
c) balance
d) arrow
The strength of a force can be measured in ________________.
a) vectors
b) newtons
c) enegry
d) force
A change in motion is caused by ______________________________.
a) balanced forces
b) net force
c) unbalanced forces
d) newtons
If Maria exerts a force of 10 N to push a desk to the right at the same time Jose exerts a force of 15 N to push the desk to the left, the desk will move to the ______________________.
a) left
b) side
c) right
d) forward
The axis on a time distance graph that shows time is on the ___________________.
a) Y axis
b) X axis
c)
d)
The steeper the slope on a distance time graph shows a ____________________ speed.
a) constant
b) slower
c) faster
d) steady
Unbalanced forces cause ___________ changes in motion.
a) some
b) no
c) regular
d) all
If you lean against a wall, the wall pushes back on you with a(n) ____________ force.
a) stronger
b) weaker
c) oppisite
d) equal
A student pushes a book across a table with a constant force. How would the acceleration of the book change if the mass were doubled but the force stayed constant?
a) The acceleration would double
b) The acceleration would multiply by 4
c) The acceleration would decrease by half
d) The acceleration would not change
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