Laws of Motion (9th )

1)Inertia depends on __________.

• Weight

• Velocity

• Acceleration

• Mass

Tags

NGSS.MS-PS2-2

2)What formula is used to calculate force?

• Acceleration = Force x Mass

• Force = Mass x Acceleration

• Work = Force x Distance

• Mass = Force + Acceleration

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

3)An object with a mass of 100 kg is observed to accelerate at the rate of 5 m/s2. Calculate the force required to produce this acceleration.

• 20N

• 500 N

• 20 kg

• 500kg

Tags

NGSS.MS-PS2-2

4) Forces that are equal in size but in opposite directions are called ______________ forces.

• Strong

• Balanced

• Unbalanced

• Net force

Tags

NGSS.MS-PS2-1

5) Which statement is true for Newton's second law

• The force exerted on an object is not related to mass or acceleration

• An object at rest wants to be in motion

• More force is exerted to produce more acceleration

• If there is more mass then there is more acceleration

Tags

NGSS.MS-PS2-2

6) Which of these is evidence that an unbalanced force is acting on an object?

• The motion of the object is changing

• The object remains at rest

• The object continues moving in a straight line

• The mass of the object is changing

Tags

NGSS.MS-PS2-2

7) According to Newton's third law of motion for every action there is ____

• upward reaction

• not equal and opposite reaction

• equal but opposite reaction

• equal and same reaction

Tags

NGSS.MS-PS2-1

8)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

• Newton's 4th Law

9) When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

• The cannon moving forward

• The cannon moving backward

• The cannonball moving forward

• The cannonball moving backward

Tags

NGSS.MS-PS2-1

10) The amount of matter in an object is...

• gravity

• weight

• mass

• momentum

Tags

NGSS.MS-PS1-1