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The tendency of an object to resist a change in its motion
frame of reference
Objects with greater _________ also have greater inertia.
What kind(s) of objects have inertia?
all objects with mass
only objects in motion
only objects at rest
only objects whose motion is being changed
If a piece of matter changes shape, what happens to its mass?
it changes randomly
it stays the same
Which of the following is a unit of mass?
What is mass?
the force of an object caused by gravity
the amount of matter in an object
the amount of space something takes up
how fast something is moving
Which of the following statements are true about force?
the PUSH or PULL on an object
Going REALLY FAST
The MOTION an object creates
the mass of an object
The Force of Gravity and the Normal Force
The applied force and the Force of friction
The Force of Gravity and the Motion Force
Which requires more force to move it?
A heavy object, like a bowling ball.
A light object, like a tennis ball
The point through which the whole weight of the body acts is called
Center of gravity
Center of gravity is usually located where
more weight is concentrated
less mass is concentrated
less weight is concentrated
more mass is concentrated
Where the center of gravity of a circle lies?
Anywhere on its circumference
At its centre
Anywhere on its radius
Anywhere on its diameter
What is a standard unit of measurement for weight?
What order would be the heaviest to lightest?
Brush, house, pencil
House, brush, pencil
pencil, brush, house
Pressure can be exerted by solids, liquids and gases.
The amount of force pushing on an area is the definition of....
Pressure is measured in what units
Pressure is equal to force divided by what
Which formula can be used to find the volume of a rectangular prism?
length x width
height x length
length x width x height
length + width + height
Each side of this ice cube measures 2 inches. What is the volume of the ice cube?
6 cubic inches
12 cubic inches
8 cubic inches
8 square inches
What two types of measurements make up DENSITY?
Mass and Volume
Temperature and Mass
Grams and Centimeters
Volume and Weight
What is the formula for density?
density = mass x volume
density = mass / volume
density = mass + volume
density = mass - volume
The easiest way to open a heavy door is by applying the force
Near the hinges
In the middle of the door
At the edge of the door far from the hinges
At the top of the door
Torque is the product of a force exerted on an object times the lever arm.
An impulse depends on
weight and force
force and time
electric charge and time
none of these
The air bag on a car reduces the force experienced by the driver, by extending the time of impact.