We need ____ to make things move. A force can be a ____ or a ____. We can make things move faster, slower or even stop if the size of the force ____. Different ____ can also affect how forces act on moving things. If we imagine a box being pushed along a ____ floor compared to a ____ carpet, it would be easier to push than the rough carpet. To make an object move you need a ____ To make an object move you need ____ forces as one force needs to be ____ than the other. ____ is a force that ____ objects down and it can occur when an object moves through ____ or ____. ____ ____ is a type of friction between air and another material. Objects with a large surface area create more ____ ____ so they move more slowly through air. That is why skydivers use ____. ____ is the force that pulls something ____ A ____ and ____ object would travel through the air quicker as it would have less surface area. If a ____ and ____ object traveled through the air, it would experience more air resistance.

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?