Forces and Motion Unit Test

____________ is a push or a pull.

• Gravity
• Force
• Simple Machines
• Motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What Unit do we measure Force in? 

• Newtons
• Joules
• Force
• Don't know

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 
• 40N 
• 10N 
• 70N

Tags

NGSS.MS-PS2-1

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar
• Equal and opposite
• Equal and different
• Greater and opposite

Tags

NGSS.MS-PS2-1

A horizontzal line on a distance-time graph represents

• an object that is moving inconsistently

• An object that is moving very quickly

• An object that is moving slowly

• An object that is not moving

Tags

NGSS.MS-PS3-1

The larger the inertia, the ___ the mass.

• slower

• quicker

• smaller

• larger

Tags

NGSS.MS-PS2-2

Friction is a force that acts in a(n) ___________ direction relative to a moving object.

• similar
• opposite
• parallel
• perpendicular

How would the absence of friction affect a marble traveling on a long, straight path?

• The marble’s speed would decrease.
• The marble’s speed would increase.
• The marble would stop immediately. 
• The marble would remain at a constant speed.

Tags

NGSS.MS-PS2-2

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and volume
• distance and weight 
• weight and mass

Tags

NGSS.MS-PS2-4

As mass increases, what happens to the gravitational force?

• It increases.
• It decreases.
• It stays the same.
• It acts as a 3rd degree derivative function.

Tags

NGSS.MS-PS2-4