1. An object accelerates 5.0 m/s when a force of 20.0 newtons is applied to it. What is the mass of the object?

2. An object accelerates 2.0 m/s when a force of 12.0 newtons is applied to it.
What is the mass of the object?

3.An object accelerates 16.3 m/s when a force of 4.6 newtons is applied to it.
What is the mass of the object?

1. mass = 4

2. mass = 6

3. mass = 0.28

Explanation:

All these questions require the equation:

                           F=ma

Where F is force, m is mass and a is accleration. If we do some algebra, we can modify this equation to find mass by dividing both sides by a.

The a on the left side cancels out and leaves us with . Now we can plug in the numbers given to find the mass.

1.

2.

3.

So the answers are m=4, m=6, and m=0.28.

d eras and periods

gpe = mass x gravity constant x height or… gpe = mgh

where… mass: measured in kilograms (kg)

gravity: gravity constant on earth = 10.00 m/s2

height: measured in meters (m)

gpe: measured in joules (j) or kilojoules (kj)

how do you solve gpe?

gravitational potential energy (gpe) is the energy an object has because of its position above the. ground.

gpe = mass x gravity constant x height or… gpe = mgh.

mass:

note: to earn full marks when solving science word problems, you must show your work:

formula.

example:

given values:

mass = 0.3 kg.