speed/moment

what is the unit of speed?

• m/s or km/h
• kg/m
• g/cm

• ft/min

what is the equation of speed given that you know the value for distance and time taken?

• speed = distance / time
• speed = distance * time
• speed = distance + time
• speed = distance - time

what is the definition of "per" in the term meter per seconds?

• Multiplication or product
• Addition or sum
• Exponentiation or power
• Division or ratio

hariz in a car travelling at a speed of 35m/s. how long will the car take to travel 2100m?

• 30 seconds
• 45 seconds
• 60 seconds
• 120 seconds

define moment in physics

• The speed of an object in motion
• The distance traveled by an object
• The temperature of an object
• The turning effect of a force around a pivot point

A pulling force of 50N is needed to open a door. the distance from the door to the hinges is 0.3m. what is the moment caused by pull on the door?

• 25Nm
• 10Nm
• 30Nm
• 15Nm

If a car is traveling at a speed of 20m/s, how long will it take to travel 400m?

• 20 seconds

• 30 seconds

• 40 seconds

• 50 seconds

What is the anticlockwise moment acting on this crane?

• 80,000Nm
• 100,000Nm
• 120,000Nm
• 140,000Nm

What is the moment acting on the seesaw?

• 1.6Nm
• 15Nm
• 16N
• 4Nm

A seesaw is unbalanced with two people of different masses sitting equal distances from the center. Which of the following will result in equilibrium?

• The larger person moving further away from the center.
• Moving the smaller person closer to the center.
• Moving the smaller person further from the center.
• Making the larger person do nothing.