Acceleration

Front

Why does a car accelerate as it rounds a corner at a constant speed?

Back

Its direction changes

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 negative acceleration means that your object is _____.

Back

slowing down

Front

A positive acceleration means that your object is _____.

Back

speeding up

Front

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.

Back

9 m/s²

Front

During which interval is the object speeding up? Options: A to B, B to C, D to E, E to F

Back

A to B

Front

What is the object doing from 10-12.5 seconds? Options: Slowing down, Returning to the starting position, Speeding up, Not moving

Back

Returning to the starting position

Front

Which graph represents zero acceleration (constant velocity)? Options: A, B, C, D

Back

D