# Quiz: Are You Ready To Take The Physics Midterm Exam Test?

10 Questions | Total Attempts: 702  Settings  .

• 1.
Which of Newton's laws best explains why motorists should buckle-up?
• A.

First law

• B.

Second law

• C.

Third law

• D.

Law of Universal Gravitation

• 2.
When you sit on a chair, the resultant force on you is:
• A.

Zero

• B.

Up

• C.

Down

• D.

• 3.
In the absence of an external force, a moving object will:
• A.

Stop immediatly

• B.

Slow down and eventually come to a stop

• C.

Go faster and faster

• D.

Move with constatn velocity

• 4.
You are standing in a moving bus, facing forward, and you suddenly fall forward. You can imply from this that the bus is:
• A.

Velocity increased

• B.

Velocity decreased

• C.

Speed remained the same, but it's turning right.

• D.

speed remained the same, but it's turning left.

• 5.
The acceleration of an object is inversely proportional to:
• A.

The net force acting on it

• B.

Its velocity

• C.

Its mass

• D.

Its position

• 6.
A net force F accelerates a mass m with an acceleration a. If the same net force is applied and the mass is doubled, then the acceleration will be:
• A.

4a

• B.

2a

• C.

A/2

• D.

A/4

• 7.
When the rocket engines on the starship NO-PAIN-NO-GAIN are suddenly turned off, while traveling in empty space, the starship will:
• A.

Stop immediatly

• B.

Slowly slow down, and then stop

• C.

Move with constant speed

• D.

Go faster and faster

• 8.
A rocket moves through empty space in a straight line with constant speed. It is far from the gravitational effect of any star or planet. Under these conditions, the force that must be applied to the rocket in order to sustain its motion is:
• A.

Equal to its weight

• B.

Zero

• C.

Equal to its mass

• D.

Dependent on how fast is going

• 9.
A net force F acts on a mass m and produces an acceleration a. What acceleration results if the force is doubled and it acts on four times the mass?
• A.

8a

• B.

4a

• C.

2a

• D.

A/2

• 10.
If you blow up a balloon, and then release it, the balloon will fly away. This is an illustration of:
• A.

Newton's first law

• B.

Newton's second law

• C.

Newton's third law

• D.

Galileo's law of inertia

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