Acceleration

Front

In each of the following cases, determine where the car has no acceleration?

• A car speeds up after a stoplight turns green.
• A car slows down as it approaches a red light
• A car with the cruise control set at 80 km/h going down a straight highway
• A car turning a curve at a constant speed

Back

A car with the cruise control set at 80 km/h going down a straight highway

Front

The SI unit for acceleration is

Back

m/s²

Front

A roller coaster accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?

Back

16 m/s²

Front

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

Back

5.7m/s²

Front

What is the unit for FORCE? Options: N (Newtons), lbs (pounds), g (grams), m/s (meters per second)

Back

N (Newtons)

Front

What is the force that pulls us towards the Earth? Options: gravity, weight, friction, mass

Back

gravity

Front

What are balanced forces?

Back

forces of the same size, in opposite directions

Front

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.
What is the resultant force?

Back

50N to the left.

Front

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec²?

Back

9,800 n

Front

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

Back

10 m/s²