M2.2 Cat A Dynamics

What does the acceleration of an object depend on according to Newton's Second Law?

• The color of the object.

• The shape of the object.

• The force applied and the mass of the object.

• The temperature of the object.

What is the unit of force in Newton's Second Law?

• Kilograms (kg)

• Meters per second (m/s)

• Newtons (N)

• Liters (L)

What is the relationship between force and acceleration in Newton's Second Law?

• They are unrelated.

• Force is inversely proportional to acceleration.

• Force is directly proportional to acceleration.

• Force is equal to acceleration.

What is the gravitational acceleration on earth used for calculations?

• 9.8 m/s²

• 9.0 m/s²

• 5.2 m/s²

• 12.4 m/s²

What is the unit of work in the metric system?

• Newton

• Joule

• Watt

• Horsepower

What is the formula for work?

• W = F + s

• W = F / s

• W = F × s

• W = F - s

How much force is exerted when a 500 kg load is lifted? (g=9.8m/s² )

• 4900 N

• 5000 N

• 4500 N

• 4000 N

What is energy?

• The ability to do work

• The ability to rest

• The ability to sleep

• The ability to eat

What is kinetic energy?

• Energy due to position

• Energy due to motion

• Energy from water

• Energy from plants

What is total energy?

• The sum of all different forms of energy in a system

• The energy from the sun

• The energy from food

• The energy from water