# Chapter 2: Forces Quiz

16 Questions | Total Attempts: 643  Settings Create your own Quiz Some physics calculations can be a little confusing for some people but they get better with practice. The general formula for calculating force is the mass multiplied by the acceleration rate. If you have been having some troubling in doing calculations that involve mass then the quiz below is perfect for you. Give it a shot and get to perfect your skills.

• 1.
Friction acts in a direction __________ to the direction of an object's motion
• A.

Unrelated

• B.

Opposite

• C.

Equal

• D.

Perpendicular

• 2.
Unless an object at rest is acted upon by a force, it stays at rest due to its
• A.

Matter

• B.

Inertia

• C.

Friction

• D.

Gravity

• 3.
A 10-kg ball is accelerated 500m/s (squared) by a force of...
• A.

5000 N

• B.

50 N

• C.

500 N

• D.

1/50 N

• 4.
The momentum of a 1500-kg car traveling at a velocity of 10 m/s is ....
• A.

15,000 N

• B.

15 m/s (squared)

• C.

150 N

• D.

15,000 kg x m/s

• 5.
A (n) ______________ can cause an objects motion to change
• A.

Unbalanced force

• B.

Balanced force

• C.

Inertia

• D.

Mass

• 6.
The amount of matter in an object is called its
• A.

Weight

• B.

Force

• C.

Inertia

• D.

Mass

• 7.
Newtons second law of motion states the relationship of mass, acceleration and force.  It says that....
• A.

Force equals mass divided by acceleration

• B.

Force equals acceleration divided by mass

• C.

Force equals mass times acceleration

• D.

Every object attracts every other object in the universe

• 8.
A(n) ___________ causes objects to move in a circle
• A.

Centripetal force

• B.

Large weight

• C.

Terminal velocity

• D.

Acceleration

• 9.
An object in free fall _____________ until it reaches terminal velocity
• A.

Decreases in mass

• B.

Slows down

• C.

Accelerates

• D.

Is unbalanced

• 10.
Forces can be added together on if they are acting on different objects.
• A.

True

• B.

False

• 11.
According to Newton;s second law of motion, acceleration increases as force increases, if mass stays the same.
• A.

True

• B.

False

• 12.
The force exerted by gravity is stronger if two objects are closer.
• A.

True

• B.

False

• 13.
The force of friction acts between all objects in the universe.
• A.

True

• B.

False

• 14.
A satellite in orbit around Earth is always falling toward Earth.
• A.

True

• B.

False

• 15.
Jake and Tom want to see who is strogest, so they got a rope and decided to play tug-o-war.  Both boys pulled at the rope with all of their strength, but neither of them moved.   This is called unbalanced force.
• A.

True

• B.

False

• 16.
Patty was walking very quickly through the cafeteria with her tray full of food when she tripped over a broomstick and flew forward along with all of her food.   This is an example of Newton's first law of motion which states,  "...an obect in motion will stay in motion..."
• A.

True

• B.

False

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