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Science Final

Authored by Leiiani Jones

Life Skills

9th Grade

Used 8+ times

Science Final
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70 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a change of velocity?

Distance traveled by an object
Acceleration of an object
The speed of an object

The rate of acceleration

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

how do you calculate momentum?

Momentum = mass + velocity
Momentum = mass - velocity
Momentum = mass / velocity
Momentum = mass x velocity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do two objects of different masses have the same momentum?

Momentum is not conserved in such cases
Objects with different masses cannot have the same momentum
Different masses with different velocities can result in the same momentum.
Momentum is only determined by mass, not velocity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. If someone is walking at a constant velocity in the same direction, what would be the acceleration? 

0 m/s^2
1 m/s^2
10 m/s^2
5 m/s^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True/False: If forces are balanced, the net force on an object is zero.

False
True

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. How much force is required to lift a 10 N object off the floor?

10 N Upward

9N Upward 

 Cannot be determined

11 N Upward

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is normal force?

Normal force is the force exerted by a surface to support the weight of an object resting on it.
Normal force is the force that causes an object to accelerate.
Normal force is the force exerted by an object to push another object.
Normal force is the force of gravity acting on an object.

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