What kind of energy does an object possess when it's resting on top of the hill?

• Potential Energy

• Chemical Energy

• Kinetic Energy

• All of the above

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

What law is best described by inertia?

• 1st
• 2nd
• 3rd

Which of the following correctly defines momentum?

• mass in motion
• how difficult it is to stop a body
• product of a body's mass and velocity
• all of these are correct

What are the units of momentum?

• kg

• m/s

• kg⋅m/s

• J

Which of the following correctly defines impulse?

• change of momentum
• force over time
• magnitude of impact
• all of these are correct

Under what condition is momentum conserved?

• Momentum is always conserved no matter what.
• When an unbalanced force is applied on the system.
• When the net external force is less than the net internal force.
• When the net force on the system is zero.

• 1st
• 2nd
• 3rd
• law of motion

Tags

NGSS.MS-PS2-1

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

What Unit do we Measure Force in? 

• Newtons
• Joules
• Force
• Kilograms

With unbalanced forces, the object will move in the direction that the _______ force is being applied.

• larger 
• smaller 
• equal 
• less

Tags

NGSS.MS-PS2-2