Newton's Laws of Motion Review

Front

One object has twice as much mass as another object. The first object also has twice as much...

Back

inertia

Front

When a heavy football player and a light one run into each other, who exerts more force?

Back

They are equal

Front

If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals?

Back

zero, since no force is required to keep it moving.

Front

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

Back

same

Front

A 10 kg object accelerates at 15 m/s². How much force was applied?

Back

150 Newtons

Front

A(n) __________ is a push or pull.

Back

force

Front

Why are we able to accelerate forward when starting to run?

Back

The striking foot pushes backward against the ground. The friction with the ground provides an equal and opposite force forward.

Front

When a large truck pushes a small car with a given force, the small car is applying an equal and opposite force on the truck.

Back

True

Front

If lil Houdeshell weighs 378 Newtons on Earth and 63 Newtons on the moon, this means that her...

Back

mass is the same on the moon and the earth.

Front

What is Newton's First Law?

Back

An object at rest stays at rest, an object in motion stays in motion.