WorksheetsForces and Vector
Total questions: 8
Worksheet time: 2mins
Name
Class
Date
1.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
direction
direction
2.
Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots
Wind blowing at 20 knots
a)
Scalar
b)
Vector
3.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
4.
What is the net force?
100 N 230 N
<------ --------->
100 N 230 N
<------ --------->
a)
30 N to the right
b)
230 N to the right
c)
130 N to the right
d)
This is a balanced force
5.
What is the x component of the vector given in the diagram?
a)
77N
b)
92N
c)
120N
d)
60N
6.
Vectors a, b, c are defined as:
a = 2i + 5j; b = i - 3j; c = -3i - j. Answer all correct answers
a)
a + b = 3i + 8j
b)
a - b = i + 8j
c)
a + c = -i + 4j
d)
c - b = -5i + 6j
7.
Vector a = 2i + 3j - 5k. What is the value of 3a?
a)
3i + 3j - 3k
b)
5i + 6j - 8k
c)
6i + 9j -15k
d)
6i + 6j - 15k
8.
Given points A(3, 2, -4) and B(2, 1, -1), so the vector AB is
a)
i + 3j -5k
b)
-i -3j +3k
c)
i -j -5k
d)
-i -j +3k
100 %
