Mcgraw Hill Lesson 2 Force and Acceleration

.......... is the rate of change of velocity

• Speed

• Distance

• Acceleration

• Displacement

Acceleration is ........

• Scalar quantity that has both magnitude and direction

• Vector quantity that has both magnitude and direction

• Vector quantity that has only magnitude

• Scalar quantity that has magnitude

Which of the following cases indicates that the car is accelerating?

• increasing the velocity

• Decreasing the velocity

• Changing direction of the movement

• All the cases are correct

A car moving at a very high constant speed of 100 km/hr East. Is it accelerating or not?

• Accelerating

• Not accelerating

A car moving at 10 m/s then 20 m/s then 50 m/s north. Is accelerating or no?

• Accelerating

• Not accelerating

Tags

NGSS.MS-PS2-2

A car moving at velocity of 100 m/s then decrease to 70 m/s. Is it accelerating or not ?

• Accelerating

• Not accelerating

A car moving at a constant speed of 100 m/s north then west. Accelerating or not ?

• Accelerating

• Not accelerating

Tags

NGSS.MS-PS2-2

Which of the following represents the mathematical formula for acceleration?

• Distance/time

• Displacement/time

• Vf-Vi

• Vf-Vi/ time

Which of the following is the SI unit for acceleration?

• m/s

• m/s2

• meters

• ms2

The relationship between acceleration and time is .....

• Direct relationship

• Inverse relationship