Newton 1st law
Newton 2rd law
Newton 3rd law
100
1.if there is no force on the stapler then what will the stapler do?
remain still
100
which mass is harder to move?
a 40kg
b 400kg
c 4000kg
4000kg
100
for every act,on,there is an equal and______reaction
opposite
200
2 what does an object need to act upon it to stop if it is in motion?
A net force
200
in the formula for (F)force, F=.a what unit is square?
acceleration a=in/s2
200
If a person on a skateboard firer a gun how will newtons third law be demonstrated?
a. the person moves in the direction of the ballet
b. the person on the skateboard remains in place
c. the person moves in the opposite direction of the ballet
C.the person moves in the opposite direction of the ballet
300
3 if a screwdriver is knocked out of an astranauts hand in space,what happens to the screadrive waith no force?
if keeps going forever
300
The force of ioN would have the greatest effect on with object?
a)a golf ball
b) a truck
a)a golf ball
300
a car is traveling on a road.the tires push 1 on the road,but the road pushes on the tires.the two forces are 2 and opposite?
a. forward 2 equal
b. equally 2 stagnant
c. softly 2 reactionary
A.forward 2 equal
400
an object at rest ______at rest
stays
400
If a rock of 40kg is pushed 2m/s2 what force is needed?
a)8N
b)80N
c)800N
b)80N
400
one skateboarder,a child,weighing 37kg pushes another skateboarder the child s dad weighing 90kg with a force of 95N. what is the acceleration of the child?
a.3m/s2,2.8m/s2
b 2.5m/s2,1.05m/s2
c 5.2m/s2,5.0im/s2
d 2m/s2,1m/s2
B 2.5m/s2,1.05m/s2
500
An object acted up by an ______force changes speed and direction
unbalanced
500
If a force of 200N is applied to an object of 10kg what is the acceleration?
a)2m/s2
b)20m/s2
c)200m/s2
d)2000m/s2
b)20m/s2
500
a basketball is thrown at a 120m/s2 and its mass is 0.6kg what is the force?
F=m.a
F=0.8kg X 120m/s2
F=72N
F=72N