Forces & Acceleration & Momentum!

Betty pulls a sled that has a mass of 25 kg.  She pulls with a force of 65 Newtons.  What is the acceleration of the sled? (F=ma) 

• 2.6 m/s2

• 1,625 m/s2

• .385 m/s2

• 0 m/s2

Tags

NGSS.HS-PS2-1

Stacey's mom pushed a refrigerator with an acceleration of 4 m/s2.  If Stacey's mom pushed with a force of 95 Newtons, what is the mass of the box? (F=ma) 

• 380 kg

• 23.75 kg

• 0.042 kg

• 5.94 kg

Tags

NGSS.HS-PS2-1

Jax has a mass of 42 kg. Jax is pushing my truck which begins to accelerate at 1.5 m/s2  What force does Jax apply to the truck? (F=ma) 

• 28 m/s

• 63 m/s

• 63 N

• 0.036 N

Tags

NGSS.HS-PS2-1

If you increase the mass of the object, the force will...

• Increase

• Decrease

• Stay the same

• Mass doesn't affect force

Tags

NGSS.HS-PS2-1

If you increase the mass of an object, what will happen to the acceleration?

• Decrease

• Increase

• Stay the same

• Mass and acceleration are not related.

Tags

NGSS.HS-PS2-1

If I decrease the mass of an object, what will happen to the force?

• Stay the same

• Decrease

• Increase

• Mass and force are not related.

Tags

NGSS.HS-PS2-1

If an object is in equilibrium, the forces acting upon the object are...

• Balanced

• Unbalanced

• Unstable

• Imbalance

If an object is acted upon an outside force, the object will be in...

• Motion

• At rest

• Equilibrium

• Stagnant

Tags

NGSS.HS-PS2-1

The Peel P50 (smallest car in the world) travels at 12 m/s and has a mass of 150 kg. What is the momentum of the Peel P50? (p=mv) 

• 1,800 kgm/s

• 1.800 kgm/s

• 0.08 kgm/s

• 12.5 kgm/s

Tags

NGSS.HS-PS2-2

What is the force of a collision between a stop sign and a person in a Volkswagen Jetta, if that person has a momentum of 530 kg*m/s and the collision lasts 1.3 seconds?  (P=I) or (MV=FT)

• 407.7 N

• 689 N

• 0.002 N

• 653.9 N

Tags

NGSS.HS-PS2-1