You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
60 N right
10 N left
60 n right
50 N left
7. Multiple Choice
5 minutes
1 pt
Forces that have a net force of zero ( the object is still).
Balanced force
Unbalanced force
8. Multiple Choice
5 minutes
1 pt
The unit of force is
m/s
m/s^2
newton
kg
9. Multiple Choice
5 minutes
1 pt
What is the force of an object with a mass of 30 kg and an acceleration of 10 m/s2?
300
3
20
40
10. Multiple Choice
5 minutes
1 pt
Calculate the acceleration of a 150 kg object that is moved with a force of 300N.
2
150
.5
450
11. Multiple Choice
5 minutes
1 pt
What is the mass of an object that is accelerating 60 m/s2 when a force of 3000N is exerted?
5
3060
50
180000
12. Multiple Choice
5 minutes
1 pt
The unit we use to measure acceleration is ___.
meters / second
meters
seconds
meters / second squared
13. Multiple Choice
5 minutes
1 pt
A Newton is a unit of...
force
inertia
acceleration
velocity
14. Multiple Choice
5 minutes
1 pt
What is the standard unit force is measured in?
Newtons
pounds
grams
meters
15. Multiple Choice
5 minutes
1 pt
In the equation F = m x a, what do F, m, and a stand for?
Frequency, mass, acceleration
Force, meters, acceleration
Force, mass, acceleration
Force, miles, acceleration
16. Multiple Choice
5 minutes
1 pt
My dog Trevor, who is 9.09 kg, jumps for a treat, with an acceleration of 0.7 m/s2. What is the force that his legs exert?
6.36 N
12.9 N
0.077 N
17. Multiple Choice
5 minutes
1 pt
Trevor shakes his favorite chew toy with a force of 43 N at an acceleration of 0.18 m/s2. What is its mass?
7.74 kg!
239 kg!
.004 kg!
43.18 kg!
18. Multiple Choice
5 minutes
1 pt
A 50 kg skater pushed by a friend accelerates 5 m/sec2. How much force did the friend apply?
45 N
15 N
10 N
250 N
19. Multiple Choice
2 minutes
1 pt
_____ = mass x acceleration
Gravity
Strength
Force
Weight
20. Multiple Choice
15 minutes
1 pt
A _____________________ must be exerted on an object at rest to cause it to move.