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Midterm Forces Review
Test Description: Force questions to review for midterm
Instructions: Answer all questions to get your test result.
1) Resists changes in motion is called
A
Mass
B
Force
C
Inertia
D
Gravity
2) We need seat belts because when vehicles suddenly stop _____ causes us to continue forward.
A
mass
B
inertia
C
centripetal force
D
gravity
3) If the net force is zero an object can...
A
slow down
B
speed up
C
move at constant velocity
D
accelerate
4) True or false: acceleration requires a net force
A
false
B
true
5) As mass increases, acceleration ________
A
increases
B
stays the same
C
goes to zero
D
decreases
6) If you triple the mass you also triple the
A
all of these
B
acceleration
C
velocity
D
inertia
7) You apply the same force to both a soccer ball and a bowling ball. The bowling ball is 10 times as massive as the soccer ball. What can you say about the acceleration of the bowling ball compared to the soccer ball?
A
It will be the same as the soccer ball
B
It is 1/10 that of the soccer ball
C
It is 10 times larger than the soccer ball
8) You are trying to move a boulder up a hill and push with all your might (300 N). Still, the boulder slowly rolls back down the hill. The force the boulder puts on you is...
A
more than 300N
B
300N
C
less than 300N
9) You drop an egg on the floor and it breaks. The force of impact is...
A
the same on both
B
greater on the floor
C
greater on the egg
10) If you decrease the force on an object, the acceleration will _______
A
decrease
B
stay the same
C
increase
11) An egg falls to the ground. The action force is the earth pulling the egg down. What is the reaction force?
A
the egg breaks
B
air resistance on the egg
C
the egg pulling the earth up
D
friction on the egg
12) A shopping cart is pulled with a net force of 2N. The cart will
A
move with a constant velocity
B
continue at constant speed, then slow down.
C
stay at rest
D
accelerate constantly
13) A falling object will
A
slow down to a stop
B
accelerate
C
move at constant speed
14) An object moving at a constant velocity will have forces that
A
are all in the same direction
B
are all not zero
C
are all zero
D
add up to zero net
15) A shopping cart has an upward force of 12N, a downward force of 12N, a rightward force of 3N, and a leftward force of 13N. What is the net force?
A
16N left
B
16N right
C
zero
D
10N left
16) If a net force acts to the right
A
the weight drops
B
the inertia drops
C
the object accelerates right
D
the motion stays the same
*select an answer for all questions
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