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WorksheetsForces and Proportions
Total questions: 13
Worksheet time: 18mins
The net horizontal force on this box is ___.
0 N
91 N up
17 N right
3 N right
There is an upward tension force as shown on this box that weighs 38 N. The net force on this box is ___.
24 N up
14 N down
38 N down
62 N up
If the net horizontal force on the box is 9 N right, the unknown force is ___.
6 N left
9 N right
6 N right
24 N right
What is the net horizontal force on the car?
3 N
3 N, right
17 N, right
3 N, left
g is directly proportional to b
Given g=20 when b=4.
Find g when b=7
35
5
15
23
B is directly proportional to C. When B = 14, C = 7. Find the value of B when C = 5.
10
2.5
2
20
The length of a violin string varies inversely with the frequency of its vibrations. A 14-inch long violin string vibrates at a frequency of 450 cycles per second. A 12-inch violin string vibrates at a frequency of ____.
526 cycles per second
386 cycles per second
525 cycles per second
225 cycles per second
Suppose R is directly proportional to L. When R is 16, L is 24. When R is 30, L is ___.
38
20
40
45
m is directly proportional to b
m=24 when b=6
Find the equation for m and b
m = 4b
m = 0.25b
b = 4m
6m = 24b
Acceleration is inversely proportional to mass. If a particular net force on a 4.4-kg rock makes it accelerate at 14 m/s², that same net force will make a 30.8-kg boat accelerate at ___.
62 m/s²
2.0 m/s²
14 m/s²
98 m/s²
The net horizontal force on the box is ___.
164 N right
68 N right
2 N left
2 N right
30 N right
Acceleration is directly proportional to net force. If a backpack accelerates at 1.50 m/s² when a net force of 10.8 N is applied to it, the same backpack will accelerate at ___ when it has a net force of 9.0 N applied to it.
-0.30 m/s²
1.25 m/s²
1.80 m/s²
3.0 m/s²
The net force on the box shown is 5.6 N down. The unknown force is ---.
6.4 N up
3.6 N up
12.0 N up
7.8 N up
