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- 1. Multiple Choice
What is the SI unit for time?
hour
minute
second
day
- 2. Multiple Choice
What is the SI unit for distance?
centimeter
meter
milimeter
feet
- 3. Multiple Choice
What is the unit for weight?
Newton
kilogram
pound
gram
- 4. Multiple Choice
What is the unit for velocity?
N
ms-1
Nm
ms-2
- 5. Multiple Choice
What is the unit for force?
Nm
kg
kgms-1
N
- 6. Multiple Choice
What is the unit for acceleration?
ms-2
N
Nm
ms-1
- 7. Multiple Choice
What is the unit for angular velocity?
rad
rad/s2
rad/s
degree
- 8. Multiple Choice
Which of the following is a scalar quantity?
magnitude
mass
velocity
momentum
- 9. Multiple Choice
A measurement of how fast an object is moving is called?
speed
velocity
acceleration
vector
- 10. Multiple Choice
Which of the following is a vector quantity?
speed
power
displacement
area
- 11. Multiple Choice
What happen when the velocity of a mass is constant?
constant speed
the mass accelerate
body at rest
no acceleration
- 12. Multiple Choice
Inertia is the tendency of an object to resist a change in its __________.
size
motion
shape
temperature
- 13. Multiple Choice
Because of inertia, a resting object will remain at __________.
rest
constant speed
momentum
constant acceleration
- 14. Multiple Choice
To change the motion of an object, inertia must be overcome by a _________ acting on the object.
temperature
speed
force
velocity
- 15. Multiple Choice
What is the Newton's First Law of Motion?
f = ma
equal and opposite reactions
the law of inertia
the law of mass
- 16. Multiple Choice
Which object is more difficult to stop once its moving? A 100 kg ball, or a 150 kg ball?
easy to stop both
not sure
100 kg
150 kg
- 17. Multiple Choice
When the forces on an object are in equilibrium, the object is _____________ .
moving quickly
at rest
moving slowly
falling
- 18. Multiple Choice
When a mass was placed on a table, what force of the table was applied to the mass?
gravity
friction
normal force
weight
- 19. Multiple Choice
What is the Newton's 2nd Law of Motion?
equal and opposite reations
law of inertia
law of gravity
f = ma
- 20. Multiple Choice
Suppose you are inside a vehicle moving at constant speed. The moment the car suddenly slows down and comes to as top, you have the tendency to ____________.
lean forward
lean backward
remain steady
lean sideway
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