Physics practice test

If an object has a large mass, it needs a stronger force to make it accelerate. Which law of motion does this describe?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

What equation represents newtons second law?

Gravity falls at which rate

• 9.81 meters squared
• 9.81 meters per second squared
• 9.87 meters per second
• 9.81 per second

Matter

• is the area of Physics concerned with motions of physical objects

• is a branch of science that studies matter and its motion as well as how it interacts with energy and forces.

• any substance that has mass and takes up space by having volume.

• is how things move

Friction causes objects to

• speed up
• slow down

Which item caused the least amount of friction in the lab "What A Blast Part I"

• fishing line
• twine
• yarn

What surface would probably offer the least friction if you were to slide a box across it?

• 
• 
• 
• 

Motion

• is the area of Physics concerned with motions of physical objects

• is a branch of science that studies matter and its motion as well as how it interacts with energy and forces.

• any substance that has mass and takes up space by having volume.

• is how things move

This is an example of..........

• Newton's First Law
• Newton's Second Law
• Newton's Third Law

What pulls a ball back to earth?

• Gas

• Gravity

• Friction

• Molecules