8th Grade Physics/Energy Review (Day 1)

Front

You push on a car and it does not move. What is true about the inertia?

Back

The inertia of the car is too great

Front

m/s² is the unit for.....

Back

Acceleration

Front

What unit do we measure force in?

Back

Newtons

Front

What is the correct formula for force?

Back

Front

A 20 kg bike accelerates at 10 m/s². What is the force acting upon it?

Back

200 Newtons

Front

How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?

Back

12 N

Front

Which of the following is NOT an example of unbalanced forces? a turning car, a car breaking to a stop, a car traveling 60 mph constantly, a car accelerating down a hill

Back

a car traveling 60 mph constantly

Front

Which of the following is NOT an example of balanced forces?

• a runner moving at a constant speed of 4 m/s
• a runner waiting at the starting line of a race
• a runner slowing down to a stop at the finish line
• a runner jogging in a straight line

Back

a runner slowing down to a stop at the finish line

Front

Balanced forces CANNOT result in which of the following? no changes in motion, changes in direction, constant speed, no motion

Back

changes in direction

Front

What occurs if you increase the Net Force of an accelerating object?

Back

the object increases speed