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- 1. Multiple Choice
What is force?
A push that causes a change in an object's motion
A push or a pull that causes an object to move, stop, or change direction
A pull that causes an object to move, stop, or change direct
How fast something is moving
- 2. Multiple Choice
Which scientist came up with the 3 laws of motion ?
Albert Einstein
Charles Darwin
Indiana Jones
Isaac Newton
- 3. Multiple Choice
What is the net force?
800 N
600 N
400 N
400 N down
- 4. Multiple Choice
Which best describes Newton's 1st law?
Law of Intertia
Law of force
Law of action-reaction
- 5. Multiple Choice
Which of the following includes direction?
Velocity
Speed
- 6. Multiple Choice
Use the diagram to answer the question.
Brennan is traveling in a car at a constant speed. He quickly applies his brakes and stops to avoid an accident. Brennan’s body continues to move forward and is stopped by the seat belt. Why?
an object in motion remains in motion unless acted on by an unbalanced force
for every action there is an opposite equal reaction
when mass increases a greater force is needed to accelerate the object
the law of gravity
- 7. Multiple Choice
Check all that apply. Which units are used in newton's 1st law? V=d/t
M/S
Meters
Seconds
Newtons
- 8. Multiple Choice
What is the speed of a car traveling 50 miles in 2 hours? V=d/t
100 mph
25 mph
25 m/s
80 mph
- 9. Multiple Choice
Which law says f = m∘a
Newton's first law
Newton's second law
Newton's third law
Newton's fourth law
- 10. Multiple Choice
Which formula would you use to find the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.
f = ma
V= d/t
y=mx + b
- 11. Multiple Choice
A cart was pushed with a force of 50 N, if its mass is around 3.4 kg, how much was the acceleration produced? F= MA
14.7 m/s2
53 m/s2
0.068 m/s2
170 m/s2
- 12. Multiple Choice
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object? F=MA
150 Newtons
15 Newtons
150 kilograms
100 kilograms
- 13. Multiple Choice
If the man pushes with an equal amount of force, which object will accelerate more?
Car because it has more mass
Lawnmower because it has less mass
Car because it has less mass
Lawnmower because it has more mass
- 14. Multiple Choice
Find how much force the man will need to exert to move the car.
5000 N
50 N
20,000 N
500 N
- 15. Multiple Choice
What unit do we measure force in?
Kilometer/hr
Joules
Seconds
Newtons
- 16. Multiple Choice
Newton’s 3rd law states that for every action, there is an ________ reaction.
unequal and opposite
equal and similar
stronger and opposite
equal and opposite
- 17. Multiple Choice
Your foot pushes on the floor as you walk, and the floor pushes back. This is an example of:
Newton's first law
Newton's second law
Newton's third law
Newton's fourth law
- 18. Multiple Choice
A firefighter turns on his hose & is knocked backwards... Which law best explains this?
1st Law
2nd Law
3rd Law
- 19. Multiple Choice
Abigail Roller skates 8km in 4 hours What is her average speed in kilometers per hour? V=d/t
10 km /h
.5 km/h
32 km/ h
2 km/h
- 20. Multiple Choice
If I were to kick a soccer ball, what are the two main factors that keep the ball from traveling forever? Check all that apply
Gravity
Friction-less surface
Friction
Zero-gravity
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