NF

Think about pushing a shopping cart and a car. If you apply the same amount of force to both, the shopping cart will travel fast, but the car will hardly move. To move the car yo would need a larger force. Which of Newton's laws is being represented?

• 1st

• 2nd

• 3rd

Tags

NGSS.MS-PS2-2

Which of Newton's laws explains why a rocket moves upward when gas is expelled downward?

• 1st Law

• 2nd Law

• 3rd Law

• Law of Gravitation

What is the force required to accelerate a 5 kg object at 2 m/s²?

• 5 N

• 10 N

• 15 N

• 20 N

Tags

NGSS.MS-PS2-2

If a car is moving at a constant speed, which of Newton's laws is primarily being demonstrated?

• 1st Law

• 2nd Law

• 3rd Law

• Law of Inertia

A ball is thrown upwards. At the highest point, what is the net force acting on it?

• Zero

• Equal to its weight

• Greater than its weight

• Less than its weight

Tags

NGSS.MS-PS2-4

Which of the following is an example of Newton's 3rd law?

• A book resting on a table

• A car accelerating on a highway

• A swimmer pushing water backwards

• A satellite orbiting Earth

Tags

NGSS.MS-PS2-1

What happens to the acceleration of an object if the net force acting on it is doubled?

• It halves

• It doubles

• It remains the same

• It quadruples

Tags

NGSS.MS-PS2-2

If two objects of different masses are dropped from the same height in a vacuum, which will hit the ground first?

• The heavier object

• The lighter object

• Both at the same time

• Depends on the height

Tags

NGSS.MS-PS2-4

What is the reaction force when you sit on a chair?

• The force of gravity

• The force of the chair on you

• The force of the floor on the chair

• The force of air pressure

Tags

NGSS.MS-PS2-2

Which of the following scenarios best illustrates Newton's 1st law?

• A car accelerating

• A ball rolling on a frictionless surface

• A rocket launching

• A pendulum swinging