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Weight depends on two components.
mass and gravity
Spring scale is used to measure ________.
weight
Balance scale is used to measure ______.
mass
What's the relationship between the mass of an object and force?
The smaller the mass, the lesser the force needed to change its direction.
Gravity is a type of force that pushes objects to the ground. T or F?
False - pulls object to the ground.
If your mass is 75 kg and the earth's gravity is 9.8 m/s2, what is your weight?
weight = 735 N
If Cloe needs to use 100 N to push T. Einon's table, how much force would she need if the table is smaller than T. Einon's table? a. 110 N b. 150 N c. 0 N d. 80 N
d. 80 N
Peter went on a hike. When can you say that he has the greatest gravitational potential energy?
When he's at the highest point from the ground.
What property of light / material suitable for the lenses of your eyeglasses?
transparent
What is more conductive than copper?
silver
What properties does silver have?
hard, conductor
When the material returns to its original shape easily after being stretched, the material is ______.
elastic
Frosted glass is a ________________ material.
translucent
How many colors are in the rainbow?
7
What is the name of the tallest grass on earth?
Bamboo
What is the hardest natural substance on Earth?
Diamond
