Science Physics

Which one of Newton's laws are displayed

• 2nd law

• 1st law

• 3rd law

Tags

NGSS.MS-PS2-1

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

• 3rd law

• 1st law

• 2nd law

Tags

NGSS.MS-PS2-2

At which point is potential energy greatest

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

Which energy type?
A mousetrap set and ready to spring

• Potential

• Kinetic

Tags

NGSS.MS-PS3-2

A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?

• chemical → light → electrical

• mechanical → sound → light

• thermal → solar → electrical

• electrical → thermal → light

Tags

NGSS.MS-PS3-5

When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?

• electrical → light → mechanical

• chemical → mechanical → electrical

• mechanical → chemical → light

• mechanical → electrical → light

Tags

NGSS.MS-PS3-5

A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

• Balanced Forces, Constant Speed

• Balanced Forces, Acceleration

• Unbalanced Forces, Constant Speed

• Unbalanced Forces, Acceleration

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force?

• 40 N left

• 0 N Balalnced

• 400 N right

• 40 N right

Tags

NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec².  What is the mass of the object?

• 100kg 

• 1,250kg

• 50kg

• 5kg

Tags

NGSS.MS-PS2-2

An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?

• 9 g/mL

• 10.5 g/mL

• 6.5 g/mL

• 8 g/mL

Tags

NGSS.MS-PS1-2