Question

2,

When you divide the total distance and total time for a trip, you calculate a(n)

average acceleration

instantaneous speed

average speed

non-uniform speed

constant speed

3.

A heavy object and a light object are dropped from rest at the same time in a vacuum. The heavier object will reach the ground

It depends on the shape of the object

at the same time as the lighter object

It depends on the mass of the object

after the lighter object

before the lighter object

4.

Ignoring air resistance, an object falling near the surface of earth has a   

constant speed

constant acceleration

constant velocity

decreasing acceleration

increasing acceleration

5.

A physical quantity that produces a change in the state of motion of an object is called  

Force

Velocity

Momentum

Acceleration

Mass

7.

The Newton is a unit of     

weight

motion

(a) and (d)

force

acceleration

8.

A boy on a skateboard pushes off the ground with his foot. He and the skateboard accelerate down the sidewalk due to the force   

friction between the ground and the skateboard

between the skateboard wheels and the ground

of gravity acting on the skateboard

his foot exerts against the ground

the ground exerts against his foot

Answer 1