MOTION
The slope of a displacement-time graph represents this quantity.
VELOCITY
The product of mass and acceleration
FORCE
The SI unit of work.
JOULE
Express 5,600 in scientific notation.
5.6×103
Which law explains why you are pushed backward when a bus suddenly moves forward?
LAW OF INERTIA
The slope of a velocity-time graph gives this physical quantity.
ACCELERATION
The unit of force in the SI system.
NEWTON
The capacity to do work.
ENERGY
The vector sum of two or more vectors is called the ___.
Resultant
A 5 kg mass accelerates at 2 m/s2 What net force acts on it (in N)?
10 N
The area under a velocity-time graph represents this.
DISPLACEMENT
The net force on an object in equilibrium is equal to ___.
ZERO
Energy possessed by an object due to motion.
KINETIC
A quantity with both magnitude and direction.
VECTOR
If action = 50 N forward, what is the reaction (magnitude and direction)?
50 N
The motion of a projectile is described as a combination of horizontal and ___ motion.
VERTICAL
The force that pulls objects toward the center of the Earth.
GRAVITY
Energy stored in an object due to its position or configuration
POTENTIAL
Convert 1000 g to kilograms.
1 Kg
Why does a heavier truck require more force to accelerate than a small car?
MASS
The path of a projectile is called a ___.
The tendency of an object to resist changes in motion.
INERTIA
The rate of doing work.
POWER
In scientific notation, the base number is always between ___ and 10.
1
Why do satellites stay in orbit around Earth instead of falling straight down?
GRAVITY