AP Physics Work

The transfer of energy to a body by the application of a force that causes the body to move in the direction of the force is called

• work

• power

• distance

• energy

A boy exerts an average force of 20 N when he lifts a box 2 meters.

How much work does he do?

• 2 J

• 10 J

• 20 J

• 40 J

Tags

NGSS.HS-PS3-2

____________ is a measure of the ability to do work.

• Photosynthesis

• Power

• Respiration

• Energy

Tags

NGSS.HS-PS3-2

Calculate the gravitational potential energy relative to the ground when an 50 kg boy climbs to the top of a 2.0 m sliding board. (Round g=9.81m/s² to g=10 m/s²) GPE=mgh

• 50 J

• 100 J

• 25 J

• 1000 J

What is the kinetic energy of a 10 kg bowling ball traveling 2m/s? (KE=1/2*m*v²)

• 10 J

• 20 J

• 100 J

• 5 J

Tags

NGSS.HS-PS3-1

The sum of an object’s kinetic, gravitational potential energy and spring potential energy is

• Mechanical Energy

• Non Mechanical Energy

Tags

NGSS.HS-PS3-2

Energy due to an objects motion is called ________.

• Potential

• Kinetic

• Elastic

• Work

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

the energy of an object due to its position, shape, or condition

• Potential

• Kinetic

• work

• Non Mechanical

Tags

NGSS.MS-PS3-2

Energy that lies at the level of atoms and that does not affect motion on a large scale is considered __________ energy.

• Potential

• Kinetic

• Mechanical

• Non Mechanical

At the top of its arc, a thrown ball has ____________ potential energy.

• maximum

• minimum

• zero

• average