Science quiz

What is Mass

• Ms. Mas

• the gravitational pull that is applied to an objects center

• The amount a cat weighs is 4.5Kg

• The amount of matter something has

• Mass Effect Andromeda (its the one in the picture)

what is air resistance

• when something moving is ether stopped or or slowed down because

• the degree of compactness of a substance.

• lil cow cat

• Sans from Undertale

• the resistance of air

How does friction affect speed?

• more friction decreases speed
• more friction increases speed
• less friction decreases speed

 An organized procedure to study something under controlled conditions is called:

• theory
• experiment 
• observation
• hypothesis

Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?

• Balanced
• Unbalanced

Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?

• Balanced
• Unbalanced

A push or pull exerted on an object

• Force
• Net force
• Momentum
• Speed

A spring has a spring constant of 330 N/m.  How far is the spring compressed if 150 N of force are used?

• 2.2 m
• 0.0014 m
• 5.0 m
• 0.45 m

A spring with k=73 N/m is compressed 70 cm.  An object of mass 4 kg is attached to one end of the compressed spring.  What is the acceleration of the object at the moment the spring is released?  

• .078 m/s/s
• 0.17 m/s/s
• 13 m/s/s
• 1.3 X 10^5 m/s/s

Which of the following springs is the stiffest?

• A spring that requires a froce of 2000 N to compress it by 6.8 m.
• A spring that requires a force of 4000 N to stretch it by 9.0 m. 
• A spring that requires a force of 8000 N to compress it by 45 m.  
• A spring that requires a force of 4800 N to stretch it by 14 m.