F=ma

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons

• 15 Newtons

• 150 kilograms

• 100 kilograms

Tags

NGSS.MS-PS2-2

A 20 kg bike accelerates at 10 m/s². what was the force?

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?

• Object 1
• Object 2
• Object 3
• Object 4

Tags

NGSS.MS-PS2-2

A force of 90N is applied to each cart below, which one will accelerate the fastest?

• Cart 1
• Cart 2
• Cart 3 
• Cart 4

Tags

NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s².  What is the mass of the object? To solve this problem you must do - 

• 250 ÷ 5
• 5 ÷ 250
• 250 x 5

Tags

NGSS.MS-PS2-2

An elevator accelerates upward at 4.0 m/s², as illustrated in the diagram below:

The passenger has a mass of 50 kg. Calculate the force the floor exerts on the passenger.

• 700 N

• 0 N

• 300 N

• 500 N

An elevator accelerates at -2.0 m/s², as illustrated in the diagram below:

The passenger has a mass of 40 kg. Calculate the force the floor exerts on the passenger.

• 480 N

• 0 N

• 833 N

• 320N

An elevator is moving up at a constant velocity of 2.5 m/s,as illustrated in the diagram below:

The passenger has a mass of 85 kg. Calculate the force the floor exerts on the passenger.

• 1000 N

• 0 N

• 850 N

• 620 N