Newton's Laws of Motion

Front

A satellite is in orbit around the earth. Which one feels the greater force?

Back

Earth and the satellite feel exactly the same force.

Front

A box is placed on a table which rests on the floor. The box pushes on the table; the reaction force to the box's push on the table is the table's push on the floor.

Back

False

Front

A piece of luggage starts to slide directly toward the front of the train. What can you conclude about the train's motion? Options: speeding up, slowing down, changing direction, speeding up and changing direction, slowing down and changing direction.

Back

slowing down.

Front

You push on box G that is next to box H, causing both boxes to slide along the floor, as shown in the figure. The reaction force to your push is

Back

the push of box G against you.

Front

A truck is using a hook to tow a car whose mass is one quarter that of the truck. If the force exerted by the truck on the car is 6000 N, what is the force exerted by the car on the truck?

Back

6000 N.

Front

A person is using a rope to lower a 5.0-N bucket into a well with a constant speed of 2.0 m/s. What is the magnitude of the force exerted by the rope on the bucket?

Back

5.0 N

Front

The acceleration due to gravity is lower on the Moon than on Earth. Which one of the following statements is true about the mass and weight of an astronaut on the Moon's surface, compared to Earth? Mass is less, weight is the same. , Mass is the same, weight is less. , Both mass and weight are less. , Both mass and weight are the same.

Back

Mass is the same, weight is less.

Front

Free-body diagram of horizontal forces on block A when pulled with 100-N force at constant velocity.

Back

Front

Which free-body diagram shows the correct horizontal forces on block B when two blocks are pulled to the right with a 100-N force and move at a constant velocity?

Back

Front

What is the mass of an object that experiences a gravitational force of 700 N near Earth's surface where g = 10 m/s²?

Back

70 kg