Newton Second Law

According to Newton’s second law of motion, if force remains the same but mass increases, then acceleration will

• increase

• decreases

• remain constant

Tags

NGSS.MS-PS2-2

Compared to a 1kg block of solid iron, a 2kg block of solid iron has twice as much

• inertia

• mass

• volume

• all previous answers

An object weighs 30N on earth. A second object weighs 30N on the moon. Which the greater mass? (Note: due to its size, the moon has less gravity than the earth.)

• Object on moon

• Object on earth

• same mass

Tags

NGSS.MS-PS2-4

A 10kg block with an initial velocity of 10m/s slides 10m across a horizontal surface and comes to rest. It takes the block 2 seconds to stop. The stopping force acting on the block is about

• 5N

• 10N

• 25N

• 50N

Tags

NGSS.MS-PS2-2

Mike's car, which weighs 1,000 kg, is out of gas. Mike is trying to push the car to a gas station, and he makes the car go 0.05 m/s2.Using Newton's Second Law, you can compute how much force Mike is applying to the car
(F= M x A) 

• 50N

• 100N

• 5N

Tags

NGSS.MS-PS2-2

A change in velocity over time is called ___________.

• speed
• force
• acceleration
• direction

One kg multiplied by m/s² can also be expressed as 1 __________.

• direction
• mass
• kilogram²
• newton

Tags

NGSS.HS-PS2-1

According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass. 

• Newton's Second Law
• Newton's Third Law
• Newton's First Law

Tags

NGSS.MS-PS2-2

What is Force?

• A Push
• A Pull
• Jumping
• Either a push or pull

What is the acceleration of a 50 kg object pushed with a force of 500 newtons? To solve this problem you must do -

• 500 ÷ 50

• 50 ÷ 500

• 500 x 50