Physics Do Now 11/7

1.

1 point

For a constant force, an increase in the area of contact will result in a _____ in the pressure.

2.

1 point

The amount of force per unit of area is called _____.

3.

1 point

Momentum is the _____ of an object multiplied by its velocity.

4.

1 point

The force of _____ between the surfaces depends on the kinds of material in contact and how much the surfaces are pressed together.

5.

1 point

You exert _____ pressure against the ground when you stand on one foot than when you stand on both feet due to the decreased area of contact.

6.

1 point

The acceleration is _____ proportional to the mass.

7.

1 point

You experience the force due to _____ resistance when you stick your hand out of the window of a moving car.

8.

1 point

Acceleration depends on the _____ force.

9.

1 point

Newton’s _____ law describes the relationship among an object's mass, an object's acceleration, and the net force on an object.

10.

1 point

For a constant force, an _____ in the mass will result in a decrease in the acceleration.

11.

1 point

The friction produced by a tire rubbing against the concrete is _____ effective in slowing the car than the friction produced by a steel car body sliding against a steel rail.

12.

1 point

Unbalanced forces acting on an object cause the object to _____.

13.

1 point

A fast car can have _____ momentum than a slow truck.

14.

1 point

The _____ of the force of friction always opposes the direction of motion.

15.

1 point

The air resistance force an object experiences depends on the object’s _____ and area.

16.

1 point

A moving object can have a large _____ if it has a large mass, a high speed, or both.

17.

1 point

One newton per square meter is equal to one _____.

18.

1 point

All freely falling objects fall with the _____ acceleration because the net force on an object is only its weight, and the ratio of weight to mass is the same for all objects.

19.

1 point

The force due to air resistance diminishes the net force acting on the _____ objects.

20.

1 point

_____ resistance is the friction acting on something moving through air.