Force, Mass, And Inertia Question Preview (ID: 46103)
Force, Mass, And Inertia.
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Sam is pushing a cart. How can he make the cart move faster?
a) He can add weight to the cart.
b) He can push the cart up a ramp.
c) He can take the wheels off the cart.
d) He can increase the force of his push.
Mutt and Jeff are running along a path each pushing a cart loaded with rocks. If Mutt's wagon has a mass two times greater than Jeff's and they want to stay together, arriving at their destination at the same time, what must happen?
a) Jeff should slow down so Mutt can catch up.
b) Mutt must use half as much force to push his cart.
c) Mutt must use twice as much force to push his cart.
d) Mutt and Jeff will use the same force, but Mutt will take bigger steps.
Meghan and Rachel each have bowling balls with the same mass. They both roll them as hard as they can and then measure the speed of each ball. Meghan rolls her ball exactly half as fast as Rachel. How are the two forces different?
a) Rachel used half the force that Meghan did.
b) Rachel used twice the force that Meghan did.
c) Meghan used twice the force that Rachel did.
d) Without knowing the mass of the balls, we can not say.
Imagine there are four hammers to throw: 16, 12, 10, and 8 pounds. If you throw each hammer with the same amount of force, which hammer will move the shortest distance?
a) 8 pounds
b) 10 pounds
c) 12 pounds
d) 16 pounds
The mass of the four basketballs are 100 kilograms, 200 kilograms, 300 kilograms, and 400 kilograms. If the basketballs rolled down the hill, which one would supply the greatest force at the bottom of the mountain?
a) 100 kilogram basketball
b) 200 kilogram basketball
c) 300 kilogram basketball
d) 400 kilogram basketball
A cup of coffee sits on the dashboard of an automobile. The car goes around a sharp curve. Even though you hold the cup still, coffee still splashes out. This can best be explained due to
a) density.
b) friction.
c) gravity.
d) inertia.
Four boxes of increasing size and weight must be pushed up a ramp. To push the boxes at the same speed, what must you do?
a) Push the boxes with the same force, smoothly up the ramp..
b) The larger and heavier the box, the more force you must use when pushing.
c) Push the boxes with the same force, at exactly the same speed, up the ramp.
d) Push the largest box with the most force; push the others with about the same force.
Which situation is the BEST example of inertia?
a) An old lady uses a walker and is able to cross the street.
b) A rocket thrusts its boosters and lifts off the launching pad.
c) A rock is thrown vertically up in the air and it falls back to the earth.
d) You go down a steep roller coaster and it feels like your stomach is going up into your throat.
The mass of the four basketballs are 100 kilograms, 200 kilograms, 300 kilograms, and 400 kilograms. If the basketballs rolled down the hill, which one would supply the least amount of force at the bottom of the mountain?
a) 100 kg
b) 200 kg
c) 300 kg
d) 400 kg
Imagine there are four hammers to throw: 16, 12, 10, and 8 pounds. If you throw each hammer with the same amount of force, which hammer will move the farthest distance?
a) 8 pound
b) 10 pound
c) 12 pound
d) 16 pound
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