Physics Newton's Law

Your textbook weighs 2 N. When held at rest above your head, the net force on the book is ...

0 Newtons

A jet has a mass of 100,000kg. Each engine has a force of 50,000N. What is the jet's acceleration in meters per second squared?

1 m/s^2

If the acceleration of gravity on Jupiter is 3 times that on Earth. What will the mass of 10 kg of copper be on Jupiter?

10 kg (The mass doesn't change)

An object is pulled up with a two forces of 20 N and 35 N. However, gravity pulls down on it with 40 N. Find the net force's size and direction.

15 N going up

The mass of a pet turtle that weighs 10N is about

1kg

Find the mass of something that weighs 56 N

5.7 kg

A 4 kg object has 35 N pulling to the right, 20 N pulling up, and 5 N pulling to the left. Find its acceleration and direction

9.0 m/s^2 at 33.7 degrees north of east

This quantity measures the rate of change of velocity.

Acceleration

Forces always Occur... a. When velocities are constant b. In Pairs c. As single quantities d. In triplets

B. In Pairs

Which has no change in its state of motion? A) An object in equilibrium. B) An object at rest. C) An object moving at a constant speed. D) All of these. E) None of these.

D. All of These

If an object's mass is increasing while a constant force is applied to the object, the acceleration

Decreases

According to Newton's Third Law, if you push gently on something, it will push....

Gently on you

An object's resistance to a change in its state of motion is called

Inertia

For every action, there is an equal and opposite reaction is a statement of ______

Newton's Third Law

What are the English units used to measure mass?

Slug

When an object falls through a vacuum, its velocity increases and its acceleration...

Stays the same

An unfortunate bug splatters against the windshield of a moving car. Compared to the force of the car on the bug, the force of the bug is ....

The same size

Newton's Second Law states

a = F/m

Accelerations are produced by A) Velocities B) Speeds C) Forces D) Masses E) None of the above

c. forces

What is the only quantity that affects the amount of inertia something has?

mass