4 A block of mass 500g is pulled from rest on a horizontal frictionless bench by a steady force Fand travels 8m in 2 s.
Find
I
a the acceleration,
b the value of F.

Which of the following describes how a microwave heats food

Aphase diagram assumes is kept constant.

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope