Intro Physics Midyear Review Practice Exam

The metric system is a system of measurement that uses units based on

• Deceleration
• The Velocity
• multiples of 10
• speed
• How far we traveled and how long it took to travel that far.

Scalar

• In the opposite
• speed
• quantity that has magnitude only
• there is no net force on the system.
• The Velocity

Vector

• Displacement
• Hecto- 100
• J=𝚫p
• Friction is a force that resists the motion between two objects in contact with one another.
• quantity that has magnitude and direction.

Magnitude is

• the total momentum of the two objects after the collision.
• Average Speed=distance traveled/time elapsed
• The size, the number (with units)
• The Normal Force
• Where an object is located, relative to other objects.

Scalar Quantities

• Average Speed=distance traveled/time elapsed
• greatly reduce the force on an object
• How much force is applied to them
• J=ΣF𝚫t
• distance

speed

• Two objects collide and stick together, both have same velocity after their collision
• Apply a LARGE FORCE over a SMALL TIME or Apply a SMALL FORCE over a LARGE TIME
• speed
• external force
• The Velocity

time

• quantity that has magnitude and direction.
• The size of the arrows is relative to the amount of force & object is represented as a dot
• time
• Deci- -10
• Deca- 10

mass

• It is falling
• Two objects collide and stick together, both have same velocity after their collision
• mass
• Force
• Constant

Energy

• The force of gravity acting on an object
• How much force is applied to them
• Energy
• p=mv
• Displacement

Work

• mass
• An object at rest remains at rest, and an object in motion remains in motion, along a straight line at constant velocity, unless acted on by a net external force.
• Types of surfaces involved
• Work
• the total momentum of the two objects after the collision.