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WorksheetsHorizontal Motion
Total questions: 20
Worksheet time: 47mins
Name
Class
Date
1.
If you drop a banana, how fast is it going after 2 seconds?
a)
4.9m/s
b)
9.8m/s
c)
19.6m/s
d)
29.4m/s
2.
If you throw a baseball straight up, what is its velocity at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
3.
If you throw a baseball straight up, what is its acceleration at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
4.
The more mass an object has, the faster it will fall.
a)
True
b)
False
5.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
6.
What is the vertical acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
7.
If I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?
a)
6 m/s
b)
12 m/s
c)
18 m/s
d)
24 m/s
8.
An object is projected horizontally from a cliff. The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time than if it was just dropped
d)
impossible to determine
9.
A vector is a quantity that had
a)
magnitude and time
b)
time and direction
c)
magnitude and direction
d)
direction and rhythm
10.
A scalar is a quantity that had
a)
direction
b)
magnitude
c)
time
d)
color
11.
Which of the following would NOT be considered a projectile?
a)
a cannonball thrown straight up
b)
a cannon ball rolling down a slope
c)
a cannonball rolling off a table
d)
a cannonball thrown in the air
12.
The horizontal component of a projectile's velocity is independent of...
a)
it's range
b)
time
c)
the vertical component
d)
none of these
13.
In the absence of air friction, the vertical component of a projectile's velocity doesn't change as the projectile moves.
a)
True
b)
False
c)
Sometimes true
d)
Sometimes false
14.
In the absence of air friction, the horizontal component of a projectile's velocity doesn't change as the projectile moves.
a)
True
b)
False
c)
Sometimes true
d)
Sometimes false
15.
At the instant a ball is thrown horizontally with a large force, an identical ball is dropped from the same height. Which ball hits the ground first?
a)
Neither- they hit at the same time
b)
the horizontally thrown ball
c)
the dropped ball
d)
None of these
16.
T/F The vector sum is the resultant.
a)
True
b)
False
17.
A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be
a)
less than the speed it had when thrown upwards.
b)
more than the speed it had when thrown upwards.
c)
the same as the speed it had when thrown upwards.
18.
Suppose an object is in free fall. Each second the object falls
a)
the same distance as in the second before.
b)
a larger distance than in the second before.
c)
with the same instantaneous speed.
d)
with the same average speed.
19.
When a basketball player jumps to make a shot, once the feet are off the floor, the jumper's acceleration
a)
varies with body orientation.
b)
depends on launch speed.
c)
is usually greater for taller players (but not always).
d)
is g; no more, no less.
20.
The impact velocity of an object that was fired horizontally is _______________ the initial velocity.
a)
the same as
b)
greater than
c)
less than
d)
zero - duh it's hitting the ground
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