Newtons Laws Multiple choice Physics

The amount of net force required to keep a 5-kg object moving rightward with a constant velocity of 2 m/s is ....

0 Newtons

The units of mass are ...

kilograms

Every contact force produces an equal and opposite contact force. This is a summary of...

Newton's Third Law

Two objects, one having three times the mass of the other, are dropped from the same height in a vacuum. At the end of their fall, their velocities are equal because...

both objects fall with the same acceleration

An object moving at constant velocity must:

have zero net force on it

Objects at rest on a level surface experience a "support force." This is also referred to as ....

normal force

Acceleration is always in the direction...

of the net force

The inertia of a body tends to cause the body to...

resist any change in its motion

A baseball player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction to this force would be...

the force that the ball exerts on the bat

A feather and a lead ball are dropped from rest on the moon, where there is no air. The acceleration of the feather is...

the same as that of the lead ball

Mass differs from weight in that:

weight is a force and mass is not

A car travels east at a constant velocity. The net force on the car is...

zero