Worksheets8th Ch 2 L3 Newton's 2nd Law
Total questions: 10
Worksheet time: 2hrs 16mins
Name
Class
Date
1.
What happens when unbalanced forces act on an object at rest?
a)
the object remains at rest
b)
the object begins moving in an unpredictable direction
c)
the object begins moving in the direction of the net force
d)
the object begins moving opposite to the direction of net force
2.
What happens when unbalanced forces act on an object in motion?
a)
the object accelerates in an unpredictable direction
b)
the object accelerates in the direction of the net force
c)
the object accelerates opposite to the direction of net force
d)
the object always stops moving
3.
The units of acceleration, m/s2, are equivalent to which?
a)
N/kg
b)
N/kg2
c)
kg/N
d)
kg/N2
4.
This equation goes with which law?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
d)
None of these
5.
For an object moving in a circle, what is the direction of centripetal force?
a)
in the direction of motion of the object
b)
opposite the direction of motion of the object
c)
towards the center of the circle
d)
away from the center of the circle
6.
If an object accelerates at 5 m/s^2, what will it's velocity be in 5 seconds?
a)
5 m/s
b)
25 m/s
c)
25 m/s faster than its original velocity
d)
20 m/s faster than its original velocity
7.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object
a)
150 Newtons
b)
15 Newtons
c)
100 kg
d)
150 kg
8.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object
a)
150 Newtons
b)
15 Newtons
c)
100 kg
d)
150 kg
9.
A 20 kg bike accelerates at 10 m/s2. what was the force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
10.
What causes acceleration to change in an object traveling in a circular path?
a)
force changes
b)
speed changes
c)
direction changes
d)
momentum changes
100 %
