What is the unit of force in the metric system? A) kilogram B) gram C) newton D) meter/second.

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Presentation transcript:

What is the unit of force in the metric system? A) kilogram B) gram C) newton D) meter/second

A measure of the force of gravity exerted on an object is the object’s... A) weight B) mass C) volume D) power

A force will produce motion only if it is... A) frictional B) strong C) gravitational D) unbalanced

The distance an object moves per unit time is... A) speed B) velocity C) acceleration D) displacement

What unit is speed measured in? A) m D) m/s 2 B) s C) m/s

A truck that travels 180 km in 2 hours has an average speed of A) 360 km/hr B) 180 km/hr C) 90 km/hr D) 182 km/hr

The best way to describe the rate of motion of an object that has changed speed several times is to calculate the object’s... A) instantaneous speed B) constant speed C) average speed D) variable speed

The rate at which velocity increases or decreases is called... A) speed B) friction C) gravity D) acceleration

A car traveling 60 km in 2 hours has an average speed of... A) 120 km/hr B) 60 km/hr C) 30 km/hr D) 62 km/hr

The acceleration of a car that increases speed from 0 km/hr to 50 km/hr in 10 s is... A) 25 km/hr/s B) 10 km/hr/s C) 500 km/hr/s D) 5 km/hr/s

$ _______ refers to both the speed and direction of an object. A) net force B) balanced force C) velocity D) resistance

When forces are unbalanced there is a ____ force, or resulting force after all forces and their directions are added up. A) net B) centripetal C) variable D) integral

Distance Time A) Speed B) Time C) Distance Time D) Speed Time Which graph represents a positive acceleration?

Distance Time A) Speed B) Time C) Distance Time D) Speed Time Which graph represents a car standing still?

Distance Time A) Speed B) Time C) Distance Time D) Speed Time Which graph repres a car with negative acceler.?

_______ describes the rate of motion at any given moment. A) Constant speed B) Instantaneous Speed C) Average Speed D) velocity

________ describes a speed that does not vary. A) Instantaneous Speed A) Constant Speed C) velocity D) Average Speed

Distance Time A) Speed B) Time C) Distance Time D) Speed Time Which graph represents a car moving at a constant speed?