Questions with the keyword 'force'

• When a soccer player kicks the ball with spin, what causes the ball to spin? by josephyu69 to Heather, James, Mark, Matthew, Simon . Comments: (No comments so far)
• Is it possible to contain and use anti-matter as fuel and use it to power a spacecraft? by calvinliniscool to Heather, James, Mark, Matthew, Simon . Comments: (No comments so far)