Objects without a mass and resist being set into motion
2. Multiple Choice
2 minutes
1 pt
Which law best explains how objects accelerate when a force is applied?
Newton's Law of Inertia
Newton's Law of F=ma
Newton's Law of Force Pairs
Newton's Law of Chemistry
3. Multiple Choice
2 minutes
1 pt
A man hits a 0.2 kg golf ball causing it to accelerate at rate of 20 m/s2. Calculate the force used on the golf ball.
4 N
100 N
0.01 N
20.2 N
4. Multiple Choice
2 minutes
1 pt
A force of 560 N is needed to produce an acceleration of 20 m/s2. What is the mass of the accelerated body?
28 kg
11200 kg
0.04 kg
580 kg
5. Multiple Choice
2 minutes
1 pt
A 20 kg bike accelerates at 10 m/s2. what was the net force
25 Newtons
20 Newtons
200 Newtons
10 Newtons
6. Multiple Choice
2 minutes
1 pt
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
The cannon moving forward
The cannonball moving forward
The cannon moving backward
The cannonball moving backward
7. Multiple Choice
2 minutes
1 pt
What is the net force?
5000 N right
4000 N right
40 N left
4000 N left
8. Multiple Choice
2 minutes
1 pt
Which of the following shows the direction of the friction force?
A
B
C
D
9. Multiple Choice
2 minutes
1 pt
Newton's third law states that any action will have a(n) _______ and ______ reaction
Equal and similar
Equal and opposite
Equal and different
Greater and opposite
10. Multiple Choice
2 minutes
1 pt
What is Newton's First Law
F=ma
Every action has an equal and opposite reaction
An object at rest stays at rest, an object in motion stays in motion.
Friction
11. Multiple Choice
2 minutes
1 pt
What measurement is used to measure force?
Newtons
Kelvin
Kilos
Moles
12. Multiple Choice
2 minutes
12 pts
How long will an object remain at rest, according to Newton's First Law of Motion?
it can't rest
until noon
until an unbalanced force occurs
as long as there are unbalanced forces acting on it
13. Multiple Choice
2 minutes
12 pts
Why is it harder to push a van filled with bowling balls than it is to push a van with basketballs?
The mass of the car is greater than the mass of the basketballs
The mass of the bowling balls is greater than the mass of the basketballs
The van with the basketballs is bigger than the van with the bowling balls
It should be equally as hard to push the two vans
14. Multiple Choice
2 minutes
12 pts
A wheelbarrow is experiencing two forces. One is pushing 5N east and another 5N west. What is true about the motion of the wheelbarrow?
it isn't moving
it is accelerating
it is slowing down
its speed is constant
15. Multiple Choice
2 minutes
12 pts
A 260.5N unbalanced force applied to push a chair across the room causing an acceleration of 4.2 m/s2. What is the mass of the chair?
62.02 kg
63.69 kg
263.3 kg
1123.5 kg
16. Multiple Choice
2 minutes
12 pts
A cup of coffee sits on the dashboard of an automobile. The car goes around a sharp curve. Even though you hold the cup still, coffee splashes out. This is explained due to
density
friction
gravity
inertia
17. Multiple Choice
2 minutes
12 pts
The resultant force on the box is
2 Newtons to the left
10 Newtons to the right
10 Newtons to the left
20 Newtons to the right
18. Multiple Choice
2 minutes
1 pt
Slamming on the brakes in a moving car makes a passenger move forward against his or her seat belt because
the passenger has the inertia to keep moving forward
the passenger is being pushed by the seats of the car
the passenger is better able to stop themselves in this manner
the passenger has an equal and opposite force supporting their weight
19. Multiple Choice
2 minutes
12 pts
You pull a wagon with your younger sister in it. Which of these would accelerate the rate at which you can pull the wagon?
pull the wagon with less force
Pull the wagon with more force
Have your sister push down on the wagon
Put another of your siblings in the wagon
20. Multiple Choice
2 minutes
12 pts
When a person jumps horizontally off the end of a boat, the person goes forward and the boat goes backward. This is an example of