There are different types of contact forces like normal Force, spring force, applied force and tension force.
Answer:162.516 gm
Explanation:
Given
Quartz contains 46.7 % silicon by mass
i.e.Silicon is 46.7 % by mass
Total mass of Quartz m=348 gm
46.7% of 348 gm
Answer:we can calculate the answer by the following formula;
Explanation: