False

The position time graph of an object moving with a constant velocity is never a straight line

False

Force is a scalar quantity

True

The average velocity is defined as the ratio of the change of position to the time interval during which the change occurred

False

Acceleration can never be negative

False

The velocity vector of an object with a centripetal acceleration is never tangent to the circular path

True

The position time graph of an object moving with a constant average velocity is always a straight line

True

The outside edge of the spinning compact disc is moving at a higher velocity then an inside track on the disk

True

Projections of the vector make up the components of that vector

False

Joe and Sadie are supposed to meet at 3 PM in Springfield which is 150 km away from where they live Joey leaves home at noon traveling 50 km/h true or false if Sadie leave home at 1:30 PM and travels at 75 km/h she will meet Joe in Springfield on time.

True

It is not possible to drive an equation of motion for uniform acceleration without a time variable

False

The force of friction depends on the amount of surface area in contact with the two surfaces

True

The area under a velocity time graph is the displacement of the object

False

It is not possible to divide a vector quantity by scaler quantity

True

Acceleration is a vector quantity

True

The acceleration of an object is the slope of its velocity time graph

True

Factors can be summed up by separately adding the X and Y components

True

The object on which a force acts is called the system

True

The deaf dumb blind kid sure plays a mean pinball

True

Vector measurements have both magnitude and direction

False

In Newton is the amount of force applied to a 1G object that will cause it to have an acceleration of one KM/S^2

True

The sign associated with G acceleration due to gravity depends upon the choice of the coordinate system

True

A time interval is a scaler quantity

True

Multiple factors can be added together by adding there! It’s into one horizontal vector then adding the Y components into one vertical vector and finding the vector sum of those two vectors

False

The pony express

True

The direction of a vector is defined as the angle that the vector makes with the X axis measured clockwise

True

Force and acceleration are related in a linear fashion

False

Centrifugal force is Center seeking acceleration

True

The net force on an object is the resultant of the force vectors

False

Projectile motion into dimensions cannot be determined by breaking the problem into two connected one-dimensional problems

True

The key to successfully solving two dimensional relative velocity problems is drawing the proper triangle to represent all three velocity vectors

True

Centripetal acceleration is directly proportional to the square of the tangential velocity

True

The acceleration of an object in uniform circular motion always points toward the center of the circle

True

The main drawback to building a rotating space station that would stimulate gravity is that a small station would have to rotate quickly in order to achieve 1G

False

The reading on a speedometer represents the average velocity of the car

True

Static friction is exerted on one surface by another when there is no motion between the surfaces

False

Centripetal acceleration is a scaler quantity

False

Scaler measurements have both magnitude and direction

True

It is not possible to add or subtract a combination of vector quantities and scaler are quantities

True

A ball that is dropped will hit the ground at the same time as a ball that is thrown horizontally with an initial velocity of 2 m/s

False

Inertia is a force

True

In a chosen coordinate system the time interval of an object in motion can have negative values

True

The slope of a position time graph of an object gives the speed of the object

False

The specific identifiable cause of the force is called the system

False

The equilibrant is equal in magnitude and direction to the net force on an object’s

False

A fly riding on the blade of a fan spinning at a constant speed is not accelerating

False

As the speed of an object moving through a fluid increases the magnitude of the drag force decreases

True

A free body diagram represents forces acting on a system

True

The displacement of an object can be calculated by multiplying its velocity and the time interval

True

The process of breaking effector into its components is called vector resolution

True

When an object moves in a circle the net force toward the center of the circle is the centripetal force

False

When a force is a push the force arrows in a free body diagram point towards the particle

True

Acceleration is the rate at which an object speed changes

False

The relative velocity of object A to object C is the vector difference in object A’s velocity relative to object B, and object B’s velocity relative to object C

False

Static friction is exerted on one surface by another when the two surfaces are moving relative to each other

True

The velocity time graph of an object in motion with both positive acceleration and and zero initial velocity would be a line beginning at the origin and having positive slope

False

The horizontal motion of a horizontally launched projectile affects its vertical motion

True

A force cannot exist without an agent in a system

False

The objects represented by line A and line B have the same velocity

False

The Y intercept of a position time graph of an object give the average velocity of the object